ErrLookup › PrismLibrary/Prism
PrismLibrary/Prism
Prism is a framework for building loosely coupled, maintainable, and testable XAML applications in WPF, Xamarin Forms, and Uno / Win UI Applications.. · C# · 534 source files
Analyzed at 358118cd64 on 2026-09-15. 209 documented errors.
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
| IModuleCatalog | exception | critical | prism, wpf, dependency-injection, bootstrapper, null-reference, modules |
| Resources.NavigationModeNotAvailable | exception | error | navigation, prism, argumentnull, xamarin-maui |
| Resources.NoRetrieverCanRetrieveModule | exception | error | wpf, modularity, type-loader, unsupported-source |
| Resources.InvalidArgumentAssemblyUri | validation | error | argument, uri, modularity, wpf |
| Expected Navigation Failed. No Root Window has been created. | exception | critical | maui, window, startup, prism |
| The Dialog ' ' must inherit from… | exception | error | prism, maui, dialogs, registration, dependency-injection |
| Layout 's Children property is not empty. This control is… | exception | error | prism, maui, regions, xaml, invalid-state |
| Error creating dialog | exception | error | prism, maui, dialogs, dependency-injection |
| Resources.RegionBehaviorAttachCannotBeCallWithNullRegion | exception | error | prism, regions, invalid-operation, null |
| A dialog's content must be a FrameworkElement | exception | error | prism, uno, dialogs, registration, type-mismatch |
| There was an error loading assemblies. | exception | error | assembly-loading, reflection, modularity, netcore |
| A dialog's content must be an Avalonia.Controls.Control | exception | error | avalonia, dialogs, registration, type-mismatch |
| The page type ' ' is not supported. | exception | error | prism, maui, navigation, unsupported-page-type |
| Resources.RegionCreationException | exception | error | wpf, regions, region-adapter, creation-failed |
| A dialog's ViewModel must implement the IDialogAware… | exception | error | prism, uno, dialogs, idialogaware, mvvm |
| Resources.OnViewRegisteredException (formatted with… | exception | error | prism, maui, regions, view-registration, wrapped-exception |
| Resources.ValueMustBeOfTypeModuleInfo | validation | error | type-mismatch, collection, modularity, wpf |
| Resources.UpdateRegionException (formatted with… | exception | error | prism, maui, regions, wrapped-exception, target-invocation |
| The Scoped Provider has already been assigned to another… | exception | error | prism, maui, navigation, scoped-services, invalid-operation |
UnableToSetTheDialogCloseListener DialogException.UnableToSetTheDialogCloseListener | error_code | error | dialog, reflection, prism, type-mismatch |
| Properties.Resources.FailedToGetType (string.Format with… | exception | critical | wpf, modularity, reflection, type-resolution |
NavigationException.CannotPopApplicationMainPage NavigationException.CannotPopApplicationMainPage | exception | error | navigation, maui, main-page, go-back |
| No registration found for the Region View | exception | error | prism, regions, registration-missing, keynotfound |
| The generated URI has one or more relative back operators… | exception | error | navigation, uri, absolute-path, unsupported-operation |
| is not supported | exception | error | xaml, maui, markup-extension |
NavigationException.UnsupportedMauiNavigation NavigationException.UnsupportedMauiNavigation | exception | error | navigation, maui, platform-exception, wrapped-exception |
| No Child Page was found with the key | exception | error | navigation, xamarin-maui, tabbed-page, deep-linking |
| Could not find Invoke() method for delegate of type | exception | error | reflection, delegate, prism, internal |
| Invalid Scope provided. The current scope Page Accessor… | exception | error | navigation, scope, di, prism, xamarin-maui |
| No ViewModel could be found | exception | error | prism, maui, dialogs, viewmodel-locator |
| ScrollView's Content property is not empty. This… | exception | error | prism, maui, regions, xaml, invalid-state |
| Cannot process an absolute Navigation Uri when navigating… | exception | error | prism, maui, navigation, uri |
| Unable to determine the current page. | exception | error | prism, maui, dialogs, navigation |
NavigationException.ErrorCreatingPage NavigationException.ErrorCreatingPage | exception | error | prism, maui, navigation, xaml |
| Prism applications only support the use of PrismWindow, but… | exception | error | prism, maui, prismwindow, window, type-mismatch |
| The view must inherit from VisualElement. | exception | error | prism, maui, regions, type-mismatch |
| Resources.InvalidDelegateRerefenceTypeException (formatted… | exception | error | prism, eventaggregator, type-mismatch, invalid-argument, delegate |
| Resources.ItemsControlHasItemsSourceException | exception | error | wpf, regions, behaviors, items-source, conflict |
| You have referenced a View type and are likely breaking the… | exception | error | mvvm, navigation, type-mismatch |
NavigationException.IConfirmNavigationReturnedFalse NavigationException.IConfirmNavigationReturnedFalse | exception | error | navigation, confirm-navigation, prism, xamarin-maui |
| Resources.ModuleNotFound (string.Format with moduleName) | exception | error | wpf, modularity, module-catalog, lookup-failed |
| Resources.ConfigurationStoreCannotBeNull | exception | error | configuration, null, modularity, wpf |
| Resources.DirectoryNotFound (string.Format with ModulePath) | exception | error | directory, not-found, path, modularity, wpf |
| Resources.HostControlCannotBeSetAfterAttach | exception | error | wpf, regions, behaviors, invalid-operation |
| Resources.ServiceProviderDidNotHaveIProvideValueTarget | exception | error | dotnet, maui, prism, xaml, markup-extension |
| The provided String argument | exception | error | invalid-argument, empty-string, view-registration, prism |
| Resources.CannotChangeRegionNameException | exception | error | wpf, prism, region, invalid-operation, immutability |
| Resources.InvalidDelegateRerefenceTypeException (formatted… | exception | error | prism, eventaggregator, type-mismatch, invalid-argument, delegate |
| Value cannot be null. (Parameter 'view') | exception | error | null-argument, di-registration, navigation, maui |
| region | exception | error | prism, maui, regions, null-argument |
| Cannot create navigation target | exception | error | regions, navigation, dependency-injection, view-creation |
| moduleInfo | exception | error | argumentnull, modularity, prism |
| No Tab found with the Name | exception | error | navigation, tabbedpage, not-found, prism, xamarin-maui |
| Resources.ContentControlHasContentException | exception | error | wpf, regions, content-control, conflict |
| The region name cannot be null or empty. | exception | error | invalid-argument, empty-string, region, prism |
| The view type ' ' is not a type of Page. | exception | error | type-mismatch, navigation, maui, di-registration |
| Value cannot be null. (Parameter 'moduleCatalog') | exception | error | null-argument, dependency-injection, modularity |
| No View with the ViewModel | exception | error | prism, view-registry, viewmodel-locator, navigation |
| Resources.StartupModuleDependsOnAnOnDemandModule (formatted… | exception | error | modularity, initialization-mode, dependency-validation, prism |
| Invalid Tab Name | exception | error | navigation, tabbedpage, invalid-argument, prism, xamarin-maui |
| There is currently no application window. | exception | error | prism, maui, dialogs, window-lifecycle |
| A dialog's ViewModel must implement the IDialogAware… | exception | error | prism, wpf, dialogs, idialogaware, mvvm |
| Cannot destroy . | exception | error | maui, navigation, cleanup, page-lifecycle |
| ItemsControl's ItemsSource property is not empty. This… | exception | error | avalonia, regions, itemssource, conflict |
NavigationException.ErrorCreatingViewModel NavigationException.ErrorCreatingViewModel | exception | error | prism, maui, navigation, dependency-injection, viewmodel |
NavigationException.NoPageIsRegistered NavigationException.NoPageIsRegistered | exception | error | prism, maui, navigation, registration, navigationpage |
| Resources.EventAggregatorNotConstructedOnUIThread | exception | error | prism, eventaggregator, threading, ui-thread |
| Resources.ViewNotInRegionException | exception | error | wpf, prism, region, argument, not-found |
| The host has not yet been created. The Shell must first be… | exception | error | prism, uno, lifecycle, host, invalid-state |
| Module Reference Location is not supported in Maui | exception | error | unsupported-operation, modularity, maui, platform-limitation |
NavigationException.GoBackRequiresNavigationPage NavigationException.GoBackRequiresNavigationPage | exception | error | navigation, page-not-found, prism, xamarin-maui |
NavigationException.UnsupportedMauiCreation NavigationException.UnsupportedMauiCreation | exception | error | prism, maui, navigation, threading |
| The builder does not implement IRegistryAware | exception | error | navigation, builder, missing-interface |
| The Keyboard Type value | exception | error | maui, keyboard, enum, mapper |
| The Page is null. | exception | error | navigation, tabbedpage, null-reference, prism, xamarin-maui |
| Module was not found in the catalog. | exception | error | module-not-found, modularity, catalog |
| No Window has been set in the Application | exception | error | prism, maui, window, lifecycle, invalid-operation |
| Resources.MustBeModuleGroupCatalog | exception | error | unsupported-operation, modularity, extension-method, wpf |
| Resources.DelegateCommandDelegatesCannotBeNull | exception | error | csharp, commands, null-argument |
| Resources.AdapterInvalidTypeException | exception | error | wpf, prism, region-adapter, type-mismatch, invalid-operation |
| ViewModelCreationException wrapping the original exception… | exception | error | dotnet, maui, dependency-injection, viewmodel, prism |
| Resources.DelegateCommandInvalidGenericPayloadType | exception | error | prism, generics, nullable-value-type, delegatecommand |
| Resources.RegionNameExistsException (formatted with… | exception | error | prism, regions, duplicate-key, argumentexception |
| Resources.StringCannotBeNullOrEmpty (formatted with… | exception | error | argumentexception, null-or-empty, modularity, prism |
NavigationException.RelativeNavigationRequiresNavigationPage NavigationException.RelativeNavigationRequiresNavigationPage | exception | error | prism, maui, navigation, navigationpage |
| journal | exception | error | null-argument, constructor, journal, prism |
| No view with the name | exception | error | prism, view-registry, navigation, key-not-found |
| Resources.ModulePathCannotBeNullOrEmpty | exception | error | directory, modularity, path, netcore |
| No Page has been registered with the provided key | exception | error | navigation, navigation-page, not-registered |
| Resources.CarouselViewHasItemsSourceException | exception | error | regions, carouselview, maui, itemssource-conflict |
| Resources.DeactiveNotPossibleException | exception | error | wpf, regions, navigation, invalid-operation |
| container | exception | error | null-argument, constructor, prism, maui |
| Tried to subscribe to PropertyChanged in the object that… | exception | error | prism, propertyobserver, inotifypropertychanged |
| Region not Found | exception | error | prism, regions, navigation, region-not-found |
| Resources.NoRegionAdapterException | exception | error | wpf, prism, region-adapter, not-found, mapping |
| Resources.TypeWithKeyNotRegistered (formatted with key) | exception | error | prism, regions, argument-exception, key-not-registered |
| The current window ' ' is not a PrismWindow. | exception | error | prism, maui, dialogs, window, prismwindow |
| Unable to find | exception | error | maui, reflection, events, property-path |
| value | validation | error | prism, listdictionary, argumentnull, null-value |
| Navigation cannot proceed until a region is set for the… | exception | error | invalid-state, navigation, lifecycle, prism |