ErrLookup › unoplatform/uno

unoplatform/uno

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads. · C# · 16,928 source files

Analyzed at 0418340488 on 2026-08-13. 265 documented errors.

Code / MessageTypeSeverityTags
retrieveFiles failed to find pending drag and drop data for
exception error wasm, drag-and-drop, browser, typescript, skia-wasm-browser
Keyboard lock is not supported by this browser.
exception warning wasm, browser, keyboard, feature-detection, typescript
BrowserHtmlElement: Element with id '${id}' not found.
exception error wasm, browser, dom, native-element-hosting, typescript
Function ${funcName} returned an unsupported type: ${typeof
exception error wasm, interop, mono, typescript, unmarshaled
A DragDropExtension has already been enabled
exception error wasm, drag-and-drop, singleton, lifecycle, typescript
The current DragDropExtension does not match the provided ar
exception error wasm, drag-and-drop, lifecycle, validation, typescript
No pending drag and drop data.
exception error wasm, drag-and-drop, data-transfer, lifecycle, typescript
Item ${guid} is a directory handle. You cannot use it as a F
exception error wasm, storage, file-system-access, drag-and-drop, typescript
Item ${guid} is of an unknown type. You cannot use it as a F
exception error wasm, storage, file-system-access, validation, typescript
The staged content was released when the download was trigge
exception error wasm, storage, streams, download, lifecycle, typescript
Unable to find StaticLayout constructor.
exception critical android, reflection, text-layout, static-layout, java, version-compat
UnoTwoDScrollView can host only one direct child
exception error android, scrollview, layout, java, view-group
Activity must provide lifecycle events.
exception error android, foldable, lifecycle, jetpack-window-manager, csharp, add-in
FoldableHingeAngleSensor must be initialized on the UI Threa
exception error android, foldable, sensors, ui-thread, csharp, add-in
Value cannot be null. (Parameter 'storeContext')
validation error android, google-play, in-app-review, validation, csharp, add-in
Failed to load animation.
exception error lottie, skottie, animation, parsing, uno-platform
Failed load the animation
exception error lottie, skottie, exception-wrapping, animation, uno-platform
Failed to load animation: {sourceUri}
exception error lottie, download, uri, assets, network, uno-platform
NotImplemented_GetFormattedString
exception error system-json, json, lottie, invariant, uno-platform
value
validation error system-json, json, nullable, guid, uno-platform
Unable to find [MapGrid] template part
exception error maps, control-template, template-part, android, uno-platform
Unable to find [LayerGrid] template part
exception error maps, control-template, template-part, android, uno-platform
Unable to find [MapGrid] template part
exception error maps, control-template, template-part, ios, uno-platform
Unable to find [LayerGrid] template part
exception error maps, control-template, template-part, ios, uno-platform
PInvoke.RegisterClassEx failed: {Win32Helper.GetErrorMessage
exception critical win32, media-player, libvlc, skia, windows, uno-platform
PInvoke.CreateWindowEx failed: {Win32Helper.GetErrorMessage(
exception critical win32, media-player, libvlc, skia, windows, uno-platform
XLIB ERROR: Cannot connect to X server
exception critical x11, media-player, libvlc, skia, linux, display, uno-platform
MediaPlayerPresenterExtension must be initialized with a Med
exception error media-player, wasm, extensibility, constructor, uno-platform
Playlist Items could not be set
exception error media-player, wasm, playlist, uno-platform
Unsupported media source type
exception error media-player, wasm, source, uno-platform
IStorageFile is not supported
exception error media-player, wasm, storagefile, unsupported, uno-platform
IMediaSource is not supported
exception error media-player, wasm, imediasource, unsupported, uno-platform
IRandomAccessStream is not supported
exception error media-player, wasm, stream, irandomaccessstream, unsupported, uno-platform
SetSurfaceSize is not supported
exception error media-player, wasm, surface, unsupported, uno-platform
StepBackwardOneFrame is not supported
exception error media, wasm, notsupported, mediaplayer
StepForwardOneFrame is not supported
exception error media, wasm, notsupported, mediaplayer
MediaPlayerPresenterExtension must be initialized with a Med
exception error media, type-guard, extension, misuse
Owner must be a SvgImageSource instance.
exception error svg, type-guard, extension, misuse
Couldn't find GLibrary in WebKitGtkSharp
exception error x11, linux, webview, webkitgtk, reflection, native-interop
Couldn't find a field named _libraries in GLibrary
exception error x11, linux, webview, webkitgtk, reflection, native-interop
Couldn't read the static field named _libraries in GLibrary
exception error x11, linux, webview, webkitgtk, reflection, native-interop
Failed to create an instance of SKCanvasVisualBase
exception error skia, graphics, skcanvaselement, platform, extension
This platform does not support SKCanvasElement. For more inf
exception error skia, graphics, skcanvaselement, platform, platformnotsupported
Offscreen framebuffer is not complete
exception error opengl, graphics, framebuffer, glcanvaselement, driver
GLCanvasElement.IsGLInitializedProperty is read-only.
exception error opengl, glcanvaselement, dependencyproperty, readonly, misuse
The framebuffer readback failed with {readbackError} while c
exception error opengl, glcanvaselement, readback, driver, graphics
ChoosePixelFormat failed
exception critical opengl, windows, pixelformat, native-interop, gdi
SetPixelFormat failed
exception critical opengl, windows, pixelformat, native-interop, gdi
wglCreateContext failed
exception critical opengl, windows, wgl, native-interop, context
No function was found with the name {proc}.
exception error opengl, windows, wgl, extension, native-interop
Flag mode is not supported
exception error spellchecking, hunspell, dictionary, notsupported
cmap table not found
exception error font, build-tool, fontfallbackpreprocessor, truetype, cmap
No supported cmap subtable found (Platform 3/Encoding 1 or 1
exception error font, build-tool, fontfallbackpreprocessor, truetype, cmap
cmap format {format} not supported (only 4 and 12)
exception error font, build-tool, fontfallbackpreprocessor, truetype, cmap
Failed to start git process.
exception critical git, process, environment, ci, build
git {arguments} failed: {error}
exception error git, network, ci, build, authentication
Program link failed: {infoLog}
exception error opengl, shader, glsl, vertex-attributes, instancing
{type} compile failed: {infoLog}
exception error opengl, shader, glsl, vertex-attributes
Program link failed: {infoLog}
exception error opengl, shader, glsl, integer-textures, framebuffer
{type} compile failed: {infoLog}
exception error opengl, shader, glsl, integer-textures
Program link failed: {infoLog}
exception error opengl, shader, glsl, mrt, framebuffer
{type} compile failed: {infoLog}
exception error opengl, shader, glsl, mrt
Readback FBO is not complete
exception critical opengl, silk-net, fbo, framebuffer, rendering, gl-es, webgl
MapBufferRange(PixelPackBuffer) returned null
exception error opengl, silk-net, pbo, map-buffer, android, ios, gl-es, mobile
PBO round-trip mismatch at byte {i}: got {readBack[i]}, expe
exception error opengl, silk-net, pbo, readback, data-integrity, pixel-format
Program link failed: {infoLog}
exception critical opengl, silk-net, glsl, shader-link, shader-program
{type} compile failed: {infoLog}
exception critical opengl, silk-net, glsl, shader-compile, shader
Offscreen FBO is not complete
exception critical opengl, silk-net, fbo, framebuffer, render-to-texture, gl-es, webgl
Program link failed: {infoLog}
exception critical opengl, silk-net, glsl, shader-link, shader-program
{type} compile failed: {infoLog}
exception critical opengl, silk-net, glsl, shader-compile, shader
GetUniform readback mismatch: got {firstComponent}, expected
exception error opengl, silk-net, uniform, uniform-array, glsl, driver-quirk
GetActiveUniform did not report uWave[{BarCount}] (saw {acti
exception error opengl, silk-net, uniform, uniform-array, introspection, driver-quirk, glsl
ValidateProgram failed: {infoLog}
exception error opengl, silk-net, shader-program, validate-program, shader-state, glsl
GL error at end of Init: 0x{(int)err:x}
exception error opengl, silk-net, get-error, diagnostics, gl-state, error-sweep
ClientWaitSync failed (status=0x{syncStatus:x})
exception error opengl, silk-net, fence-sync, client-wait-sync, webgl2, context-loss, gpu-reset
Program link failed: {infoLog}
exception critical opengl, silk-net, glsl, shader-link, shader-program, uniform-array
{type} compile failed: {infoLog}
exception critical opengl, silk-net, glsl, shader-compile, glsl-es, instancing, shader
Program failed to link with error: {_gl.GetProgramInfoLog(_h
exception critical opengl, silk-net, glsl, shader-link, shader-program
{name} uniform not found on shader.
exception error opengl, silk-net, uniform, shader-uniform, glsl, shader
Error compiling shader of type {type}, failed with error {in
exception error opengl, silk-net, glsl, shader-compile, diagnostics, shader, false-positive
Vertex shader failed to compile: {infoLog}
exception error opengl, glsl, shader, skia, graphics, samples
Fragment shader failed to compile: {infoLog}
exception error opengl, glsl, shader, skia, graphics, samples
The {0} string passed in the colorString argument is not a r
exception error xaml, color, parsing, samples, validation
The {0} string passed in the colorString argument is not a r
exception error xaml, color, parsing, scrgb, samples, validation
The {0} string passed in the colorString argument is not a r
exception error xaml, color, parsing, reflection, samples, validation
This converter does not use any parameters. You should remov
exception error xaml, binding, converter, samples
Value must either be null or of type bool. Got {value} ({val
exception error xaml, binding, converter, type-mismatch, samples
Cannot convert back if both custom values are the same
exception error xaml, binding, converter, twoway, configuration, samples
Unsupported ms-appx target
exception error storage, ms-appx, applicationdata, samples, switch
The Window should be created later in the application lifecy
exception critical app-lifecycle, window, startup, uno, ordering
Main window must be initialized before Frame
exception critical app-lifecycle, window, frame, navigation, startup, ordering
Failed to load Page {e.SourcePageType}: {e.Exception}
exception error navigation, frame, xaml, startup, samples
This converter does not use any parameters. You should remov
validation error xaml, binding, converter, unit-tests, samples
Value must either be null or of type bool. Got {value} ({val
validation error xaml, binding, converter, type-mismatch, unit-tests, samples
This converter does not use any parameters. You should remov
validation error xaml, binding, converter, unit-tests, samples
Value must either be null or of type bool. Got {value} ({val
validation error xaml, binding, converter, type-mismatch, unit-tests, samples
This converter does not use any parameters. You should remov
validation error xaml, binding, converter, visibility, unit-tests, samples
Value must either be null or of type bool. Got {value} ({val
validation error xaml, binding, converter, type-mismatch, visibility, unit-tests, samples
GenerateBitmap is not supported by this platform
exception error wasm, rendertargetbitmap, platform, bitmap, notsupported, samples
Invalid value '{part}', unable to parse.
validation error gridlength, parsing, samples, uitests, regex
Failed to load {e.SourcePageType.FullName}: {e.Exception}
exception error navigation, uno-template, frame, app-lifecycle, boilerplate
Failed to load {e.SourcePageType.FullName}: {e.Exception}
exception error navigation, uno-template, frame, app-lifecycle, boilerplate
Failed to load {e.SourcePageType.FullName}: {e.Exception}
exception error navigation, uno-template, frame, multi-target, boilerplate
Failed to load {e.SourcePageType.FullName}: {e.Exception}
exception error navigation, uno-template, frame, desktop, boilerplate
Failed to load {e.SourcePageType.FullName}: {e.Exception}
exception error navigation, uno-template, frame, integration-test, boilerplate
Failed to load {e.SourcePageType.FullName}: {e.Exception}
exception error navigation, uno-template, frame, trimming, aot, boilerplate
Failed to load {e.SourcePageType.FullName}: {e.Exception}
exception error navigation, uno-template, frame, winui, boilerplate
Failed to load {e.SourcePageType.FullName}: {e.Exception}
exception error navigation, uno-template, frame, linux, skia, boilerplate
elements
exception error xaml, markup-extension, x-array, argumentnull, system-xaml
arrayType
exception error xaml, markup-extension, x-array, argumentnull, system-xaml
Type property must be set before calling ProvideValue method
exception error xaml, markup-extension, x-array, invalidoperation, system-xaml
Item in the array must be an instance of '{0}'
exception error xaml, markup-extension, x-array, type-mismatch, invalidoperation, system-xaml
serviceProvider
exception error xaml, markup-extension, bind, argumentnull, system-xaml
Name property is not set
exception error xaml, markup-extension, bind, invalidoperation, system-xaml
serviceProvider does not implement IXamlNameResolver
exception error xaml, markup-extension, bind, invalidoperation, iservicelocator, system-xaml
context
exception error xaml, type-converter, namereference, argumentnull, system-xaml
Value must be non-null string.
exception error xaml, type-converter, namereference, invalidoperation, system-xaml
serviceProvider
exception error xaml, markup-extension, x-reference, argumentnull, system-xaml
Name property is not set
exception error xaml, markup-extension, x-reference, invalidoperation, system-xaml
serviceProvider does not implement IXamlNameResolver
exception error xaml, markup-extension, name-resolution, service-provider, uno
Member property must be set to StaticExtension before callin
exception error xaml, markup-extension, static, validation, uno
Member '{0}' could not be resolved to a static member
exception error xaml, markup-extension, static, reflection, uno
typeName
exception error xaml, markup-extension, type-extension, argument-null, uno
type
exception error xaml, markup-extension, type-extension, argument-null, uno
Either TypeName or Type must be filled before calling Provid
exception error xaml, markup-extension, type-extension, validation, uno
serviceProvider
exception error xaml, markup-extension, type-extension, argument-null, uno
serviceProvider does not provide IXamlTypeResolver service.
exception error xaml, markup-extension, type-extension, service-provider, uno
Type '{0}' is not resolved as a valid type by the type resol
exception error xaml, markup-extension, type-extension, type-resolution, uno
descriptor
exception error xaml, value-serializer, argument-null, uno
type
exception error xaml, value-serializer, argument-null, uno
assembly
exception error xaml, access-level, permissions, argument-null, uno
assemblyName
exception error xaml, access-level, permissions, argument-null, uno
assemblyQualifiedTypeName
exception error xaml, access-level, permissions, argument-null, uno
type
exception error xaml, access-level, permissions, argument-null, uno
member
exception error xaml, schema, member-invoker, argument-null, uno
Current operation is invalid for unknown member.
exception error xaml, schema, member-invoker, unknown-member, uno
instance
exception error xaml, schema, member-invoker, argument-null, uno
not supported operation on directive member {0}
exception error xaml, schema, member-invoker, directive, uno
Attempt to get value from write-only property or event {0}
exception error xaml, schema, member-invoker, write-only, uno
Attempt to set value from read-only property {0}
exception error xaml, schema, invoker, read-only, reflection
type
exception error xaml, schema, invoker, argument-validation, type-resolution
Current operation is valid only when the underlying type on
exception error xaml, schema, invoker, type-resolution, reflection
instance
exception error xaml, schema, invoker, collection, argument-validation
item
exception error xaml, schema, invoker, collection, argument-validation
Non-collection type '{0}' does not support this operation
exception error xaml, schema, invoker, collection, type-resolution
The collection type '{0}' does not have 'Add' method
exception error xaml, schema, invoker, collection, reflection, trimming
Invalid typeName: '{0}'
exception error xaml, schema, parsing, type-name, format-exception
typeName
exception error xaml, schema, parsing, type-name, argument-validation
namespaceResolver
exception error xaml, schema, parsing, type-name, argument-validation, namespace
Invalid type name list: '{0}'
exception error xaml, schema, parsing, type-name, format-exception
typeNameList
exception error xaml, schema, parsing, type-name, argument-validation
prefixLookup
exception error xaml, schema, serialization, type-name, argument-validation, namespace
xamlType
exception error xaml, schema, type-name, argument-validation, type-resolution
typeArguments array contains one or more null XamlTypeName
exception error xaml, schema, argument-null, type-arguments, uno-xaml
Namespace must be set before calling ToString method.
exception error xaml, schema, invalid-operation, type-name, uno-xaml
Name must be set before calling ToString method.
exception error xaml, schema, invalid-operation, type-name, uno-xaml
Could not lookup prefix for namespace '{0}'
exception error xaml, schema, namespace, prefix, serialization, uno-xaml
Conversion from type {0} is not supported
exception error xaml, type-converter, not-supported, conversion, uno-xaml
Conversion to type {0} is not supported
exception error xaml, type-converter, not-supported, conversion, uno-xaml
Either of converterType, targetType or name must be non-null
exception error xaml, schema, argument, value-converter, uno-xaml
ConverterType '{0}' is not derived from '{1}' type
exception error xaml, schema, type-mismatch, value-converter, uno-xaml
Cannot cast object '{0}' to string
exception error xaml, serialization, type-converter, invalid-cast, uno-xaml
Thread has already started
exception error xaml, threading, invalid-operation, background-reader, uno-xaml
Either property getter or setter must be non-null.
exception error xaml, schema, argument-null, xaml-member, uno-xaml
Property getter for {0} must have exactly one argument and m
exception error xaml, schema, argument, reflection, xaml-member, uno-xaml
Property getter or event adder for {0} must have exactly one
exception error xaml, schema, argument, reflection, xaml-member, uno-xaml
schemaContext
validation error xaml, argument-null, node-queue, schema-context, uno-xaml
instance
validation error xaml, argument-null, event-args, uno-xaml
There is already an object of type {0} named as '{1}'. Objec
exception error xaml, invalid-operation, object-reader, naming, reference-graph, uno-xaml
schemaContext
validation error xaml, argument-null, object-reader, schema-context, uno-xaml
instance type '{0}' must be public and non-nested.
exception error xaml, object-reader, reflection, type-visibility, uno-xaml
instance type '{0}' has no default constructor.
exception error xaml, object-reader, constructor, type-converter, uno-xaml
reader
exception error xaml, object-disposed, object-reader, lifecycle, uno-xaml
schemaContext
validation error xaml, null-argument, constructor, validation
Member '{0}' is already written to current type '{1}'
exception error xaml, duplicate-member, object-writer
RootObjectInstance type '{0}' is not assignable to '{1}'
exception error xaml, type-mismatch, root-instance, object-writer
The value for '{0}' property is null
exception error xaml, null-value, get-object, object-writer
An error occurred on getting provided value
exception error xaml, markup-extension, inner-exception, object-writer
Specified static factory method '{0}' for type '{1}' was not
exception error xaml, factory-method, reflection, object-writer
Event {0} has no underlying member to attach event
exception error xaml, event, reflection, object-writer
Referenced type {0} in event {1} was not found
exception error xaml, event, type-resolution, object-writer
Referenced type {0} in event {1} has no underlying type
exception error xaml, event, type-resolution, object-writer
Referenced value method {0} in type {1} indicated by event {
exception error xaml, event, reflection, object-writer
Could not convert object '{0}' (of type {1}) to {2}:
exception error xaml, type-conversion, inner-exception, object-writer
Value '{0}' (of type {1}) is not of or convertible to type {
exception error xaml, type-mismatch, type-conversion, object-writer, format-string-bug
Unresolved object reference '{0}' was found
exception error xaml, reference, name-resolution, object-writer
xamlNamespace
validation error xaml, null-argument, schema-context, validation
xmlns
validation error xaml, null-argument, schema-context, validation
xamlTypeName
validation error xaml, null-argument, schema-context, validation
There is no type '{0}' in XAML namespace
exception error xaml, type-resolution, xaml-language, schema-context
Cannot resolve runtime namespace from XML namespace '{0}'
exception error xaml, namespace, clr-namespace, schema-context
Cannot resolve runtime type from XML namespace '{0}', local
exception error xaml, type-resolution, clr-namespace, source-generators
xamlReader
validation error xaml, argument-null, xamlservices
writer
validation error xaml, argument-null, xamlservices, serialization
xamlWriter
validation error xaml, argument-null, xamlservices, transform
underlyingType
validation error xaml, argument-null, xamltype, reflection
unknownTypeNamespace
validation error xaml, argument-null, xamltype
unknownTypeName
validation error xaml, argument-null, xamltype
schemaContext
exception error xaml, argument-null, xamltype, schema-context
The default LookupPositionalParameters implementation does n
exception error xaml, markup-extension, reflection, positional-parameters
Binding to XamlSetMarkupExtensionHandler failed
exception error xaml, markup-extension, reflection, attribute-binding
Binding to XamlSetTypeConverterHandler failed
exception error xaml, type-converter, reflection, attribute-binding
reader
exception error xaml, argument-null, xamlwriter
namespaceDeclaration
exception error xaml, argument-null, xamlwriter, namespace
xamlType
exception error xaml, argument-null, xamlwriter, xamltype
property
exception error xaml, argument-null, xamlwriter, xamlmember
Property '{0}' is already set to this '{1}' object
exception error xaml, duplicate-member, xamlwriter, validation
Value type is '{0}' but it must be either string or any type
exception error xaml, serialization, type-converter, value-serializer, xamlwriter
reader
exception error xaml, object-disposed, xamlreader, lifetime
type
exception error wasm, typescript, source-generator, emscripten, bindings, nullable
GetTSType: The type {type} is not supported (SpecialType: {t
exception error wasm, typescript, source-generator, emscripten, bindings, type-mapping
GetTSFieldType: The type {type} is not supported (SpecialTyp
exception error wasm, typescript, source-generator, emscripten, bindings, type-mapping
MSBuild property MSBuildProjectFullPath value {_projectFullP
exception error msbuild, source-generator, build-config, project-path
MSBuild property MSBuildProjectFullPath value {_projectFullP
exception error msbuild, source-generator, build-config, project-path, trimming
The type '{fullyQualifiedMetadataName}' is not found.
exception error roslyn, source-generator, type-resolution, routed-events, xaml
Expected event to start with 'On'
exception error roslyn, source-generator, routed-events, invariant, internal
The configuration property must be provided
exception error msbuild, source-generator, build-config, configuration, native-ctor
Unable to resolve {symbol} (Reason: {errorTypeSymbol.Candida
exception error roslyn, xaml, type-resolution, ambiguous, source-generator
No valid setter found for attached property {name}
exception error roslyn, xaml, attached-property, type-resolution, source-generator
Unable to find type {fullName}
exception error roslyn, xaml, type-resolution, source-generator
Color code must start with #
exception error xaml, color, parser, format
Failed to parse color code: #{colorCode}
exception error xaml, color, parser, format
Expected end of x:Bind expression or start of argument list.
exception error xaml, xbind, parser, binding
Expected end of expression after invocation.
exception error xaml, xbind, parser, binding
Expected ')' after parsing invocation arguments
exception error xaml, xbind, parser, binding
Missing closing quote
exception error xaml, xbind, parser, binding, string-literal
Expected digits after floating point.
exception error xaml, xbind, parser, binding, numeric
Missing parenthesis?
exception error xbind, xaml, parser, source-generator, syntax
Expected attached property path to be member access.
exception error xbind, xaml, parser, source-generator, attached-property
Expected ')' in attached property syntax.
exception error xbind, xaml, parser, source-generator, attached-property
Invalid identifier character {Current}
exception error xbind, xaml, parser, source-generator, identifier
x:Bind indexing expects a single literal argument
exception error xbind, xaml, parser, source-generator, indexer
Only properties and fields can be indexed.
exception error xbind, xaml, parser, source-generator, indexer
Type is unsupported for indexing.
exception error xbind, xaml, parser, source-generator, indexer
The configuration property must be provided
exception error build-config, msbuild, source-generator, configuration
MSBuild property MSBuildProjectFullPath value {_projectFullP
exception error build-config, msbuild, source-generator, configuration
Unable to find type {fullyQualifiedName}
exception error type-resolution, compilation, source-generator, references
Field modifier {accessibility} is not supported
exception error reflection, xaml, source-generator, accessibility
The property {ownerType}.{propertyName} is unknown. Line num
exception error reflection, xaml, source-generator, property-resolution
The type {0} could not be found
exception error type-resolution, xaml, source-generator, xmlns
Unable to find the type {typeName} in key {resource.Key}
exception error type-resolution, xaml, source-generator, resource-dictionary
ApiExtensionAttribute should takes 2 to 4 arguments.
exception error api-extension, extensibility, source-generator, attribute
Unsupported resource type for {reference.Display} ({referenc
exception error resources, compilation-references, source-generator, localization
Dictionary item '{resource.Type?.Name}' has duplicate key '{
exception error resource-dictionary, xaml, source-generator, duplicate-key
Unable to find 'MethodName' property on '{symbol}'
exception error type-converter, xaml, source-generator, createfromstring, attribute
'{memberName}' is not defined on '{xamlObjectDefinition.Type
exception error xaml, source-generator, style, resource-dictionary, build
Unable to find class name for toplevel control
exception error xaml, source-generator, x-class, build
Unable to find x:Class on the top level element
exception error xaml, source-generator, x-class, build, diagnostics
The type '{topLevelControl.Type.Name}' does not support mult
exception error xaml, layout, border, content-property, build
Unable to implicitly initialize collection for '{contentProp
exception error xaml, content-property, collection, source-generator, build
There is already a resource with name '{name}'
exception error xaml, resource-dictionary, duplicate-key, build
Local values are not allowed in resource dictionary with Sou
exception error xaml, resource-dictionary, merged-dictionaries, build
Each dictionary entry must have a 'Key'
exception error xaml, resource-dictionary, missing-key, build
The type '{objectDefinition.Type}' could not be found
exception error xaml, type-resolution, xmlns, build
Cannot assign child of type '{childType}' to property of typ
exception error xaml, type-mismatch, property-assignment, build
The property '{member.Member.Name}' of type '{propertyType}'
exception error xaml, property-assignment, collection, build
Unable to find type '{objectDefinition.Type}'
exception error xaml, type-resolution, x-name, build
The TargetName property cannot be empty
exception error xaml, storyboard, animation, target-name, build
The TargetProperty property cannot be empty
exception error xaml, storyboard, animation, target-property, build
The value '{value}' is an invalid value for 'Name' property
validation error xaml, x-name, identifier, validation, build
The name '{value}' is already defined in this scope
validation error xaml, x-name, duplicate-name, validation, build
x:Bind event path cannot be empty
exception error xaml, x-bind, event-binding, build
Unable to find x:DataType in enclosing DataTemplate for x:Bi
exception error xaml, x-bind, data-template, x-datatype, build
Unable to find the type '{_xClassName?.Namespace}.{_xClassNa
exception error xaml, x-bind, x-class, type-resolution, build
Error, NavigationViewItem.IsSelected should be true before r
validation error navigationview, winui, selection, event-ordering, isselected, uno-platform, virtualization