ErrLookup › emberjs/ember.js

emberjs/ember.js

Ember.js - A JavaScript framework for creating ambitious web applications · TypeScript · 950 source files

Analyzed at 26f97246a8 on 2026-09-01. 199 documented errors.

Code / MessageTypeSeverityTags
Cannot call `.lookup('${fullName}')` after the owner has bee
exception error ember, lifecycle, container, destroyed-owner
Cannot call `.factoryFor('${fullName}')` after the owner has
exception error ember, lifecycle, container, factory-for
You attempted to set "${String(prop)}" on a factory manager
exception error ember, container, read-only, factory-manager
Could not create factory
exception error ember, container, lookup, factory
Cannot create new instances after the owner has been destroy
exception error ember, lifecycle, factory-manager, create
The API deprecated by ${options.id} was removed in ember-sou
exception error ember, deprecation, removed-api, upgrade
infinite rendering invalidation detected
exception error ember, rendering, infinite-loop, computed-property
Compile Error: ${template.problem} @ ${template.span.start}.
exception error ember, glimmer, template, compile-error
A resolved helper cannot be passed as a named argument as th
exception error ember, glimmer, helpers, syntax, deprecation
deprecation override for ${id} not found
exception error ember, glimmer, deprecation, debug
Accessing `this.element` is not allowed in non-interactive e
exception error
Cannot set read-only property '${keyName}' on object: ${insp
exception error
You attempted to use @cached(), which is not necessary nor s
exception error
The @cached decorator must be applied to getters. '${key}' i
exception error
You attempted to use @cached on with ${args.length > 1 ? 'ar
exception error
Cannot set read-only property "${keyName}" on object: ${insp
exception error
Property set failed: object in path "${parts.join('.')}" cou
exception error
You can't use appendChild outside of the rendering process
exception error
Changing a view's elementId after creation is not allowed
exception error
You can't call appendChild on a view being destroyed
exception error
You can't call rerender on a view being destroyed
exception error ember, view-lifecycle, component-destruction, async
Reduce of empty array with no initial value
exception error ember, array, reduce, empty-collection
Assertion Failed: ${desc}
exception error ember, assertion, debug, invariant
BUG: owner is missing renderer
exception error ember, renderer, debug, render-tree, owner
${formatMessage(message)}
exception warning ember, deprecation, configuration, raise-on-deprecation
You attempted to mount the engine '${name}', but it is not r
exception error ember, engines, mount, registration, routing
PromiseProxy's promise must be set
exception error ember, promise, promise-proxy, uninitialized-property
Defining a route serializer on route '${name}' outside an En
exception error ember, routing, dsl, serialize, engines
Programmatic transitions by URL cannot be used within an Eng
exception error ember, routing, engines, transition, url
Defining a custom serialize method on an Engine route is not
exception error ember, routing, engines, serialize, router
Can't trigger action '${name}' because your app hasn't finis
exception error
Nothing handled the action '${name}'. If you did handle the
exception error
Attempted to call `compileTemplate` without first loading th
exception error
Attempted to call `precompileTemplate` at runtime, but this
exception error
Unreachable ${JSON.stringify(statement)} in normalizeSugaryA
exception error
Unexpected missing # in block head
exception error
Unexpected missing () in call head
exception error
Unexpected array in expression position (wasn't a tuple expr
exception error
No local ${name} was found. Maybe you meant ^${name} for upv
exception error
You must pass both the owner and args to super() in your com
exception error glimmer, ember, constructor, owner, args, debug
You must pass both the owner and args to super() in your com
exception error glimmer, ember, owner, constructor, debug
Attempted to cast to a browser node in a non-browser context
exception error dom, ssr, environment, debug, node
Attempted to cast to a browser node with a node that was not
exception error dom, document, iframe, debug, cross-document
Compile Error: ${error.problem} @ ${error.span.start}..${err
exception error template, compilation, handlebars, syntax, glimmer
Compile Error: ${template.problem} @ ${template.span.start}.
exception error template, compilation, handlebars, syntax, glimmer
You accessed `this${access}` from a function passed to the $
exception error this, binding, proxy, arrow-function, glimmer
Attempted to register a destructor with an object that is al
exception error lifecycle, destructor, destroyable, glimmer, debug
Attempted to unregister a destructor with an object that is
exception error lifecycle, destructor, destroyable, glimmer, debug
Attempted to associate a destroyable child with an object th
exception error lifecycle, destroyable, glimmer, debug, teardown
Attempted to start destroyable testing, but you did not end
exception error testing, destroyables, test-lifecycle
Attempted to assert destroyables destroyed, but you did not
exception error testing, destroyables, test-lifecycle
Attempted to set the global context twice. This should only
exception error global-context, initialization, glimmer
The global context for Glimmer VM was not set. You must set
exception critical global-context, initialization, glimmer, missing-setup
Attempted to load a helper, but there wasn't a helper manage
exception error helpers, manager, registration
Invalid component manager compatibility specified
exception error component-manager, capabilities, version
Custom component managers must have a `capabilities` propert
exception error component-manager, capabilities, registration
Invalid helper manager compatibility specified; you specifie
exception error helper-manager, capabilities, version
You must pass either the `hasValue` OR the `hasScheduledEffe
exception error helper-manager, capabilities, configuration
The `hasScheduledEffect` capability has not yet been impleme
exception error helper-manager, capabilities, unimplemented
Custom helper managers must have a `capabilities` property t
exception error
Custom modifier managers must have a `capabilities` property
exception error
Cannot call `setComponentTemplate` on `${debugToString!(obj)
exception error
Cannot call `setComponentTemplate` multiple times on the sam
exception error
args proxies do not have real property descriptors, so you s
exception error
You attempted to set ${String(prop)} on the arguments of a c
exception error
Object.keys() was called on the positional arguments array f
exception error
Unexpected high level opcode ${op[0]}
exception error
Opcode type over 8-bits. Got ${type}.
exception error
Attempted to resolve a component, helper, or modifier, but n
exception error
Attempted to resolve a component, helper, or modifier, but n
exception error
Attempted to resolve a component in a strict mode template,
exception error
Attempted to resolve `${name}`, which was expected to be a c
exception error
Attempted to resolve `${name}`, which was expected to be a h
exception error
Attempted to resolve a modifier in a strict mode template, b
exception error
Attempted to resolve `${name}`, which was expected to be a m
exception error
Attempted to use a value as either a component or helper, bu
exception error
Attempted to resolve `${name}`, which was expected to be a c
exception error
Attempted to resolve a ${type} in a strict mode template, bu
exception error
invalid keypath: '${path}', valid keys: @index, @identity, o
exception error
Attempted to resolve `${name}`, which was expected to be a c
exception error glimmer, resolver, component-resolution
Cannot create a ${tag} inside an SVG context
exception error dom, svg, glimmer
@glimmer/runtime needs a valid "globalThis.URL"
exception critical environment, url, ssr, glimmer
you must pass document or appendOperations to a new runtime
validation error glimmer, configuration, dom, ssr
`and` expects at least two arguments, but received ${positio
exception warning glimmer, template, helper, arity
`eq` expects exactly two arguments, but received ${arguments
exception error glimmer, template-helper, arity, debug
You must pass a function as the `fn` helper's first argument
exception error glimmer, template-helper, fn, type-error
`gt` expects exactly two arguments, but received ${arguments
exception error glimmer, template-helper, arity, debug
`gte` expects exactly two arguments, but received ${argument
exception error glimmer, template-helper, arity, debug
Expected a context object to be passed as the first paramete
exception error glimmer, runtime, invokehelper, type-error, owner
Found a helper manager, but it was an internal built-in help
exception error
You attempted to get the value of a helper after the helper
exception error
`lt` expects exactly two arguments, but received ${arguments
validation error
`lte` expects exactly two arguments, but received ${argument
validation error
`neq` expects exactly two arguments, but received ${argument
validation error
`not` expects exactly one argument, but received ${args.leng
validation error
`or` expects at least two arguments, but received ${position
validation error
You must pass a valid DOM event name as the first argument t
validation error
You must pass a function as the second argument to the `on`
validation error
You can only pass two positional arguments (event name and c
validation error
You can only `once`, `passive` or `capture` named arguments
validation error ember, glimmer, modifier, template, developer-error
You marked this listener as 'passive', meaning that you must
validation error ember, glimmer, dom-events, passive-listener, developer-error
Attempted to resolve a dynamic component with a string defin
validation error ember, glimmer, strict-mode, dynamic-components, developer-error
Attempted to resolve `${value}`, which was expected to be a
validation error ember, glimmer, resolver, dynamic-components, strict-mode
Rehydration with nextSibling not supported
validation error glimmer, ssr, rehydration, unsupported-feature
b.concat requires at least one part
validation error glimmer, syntax, ast, codemod, template
The `@glimmer/validator` library has been included twice in
exception critical glimmer, validator, duplicate-package, build, dependency-management
Cannot update a frozen TrackedValue${this.#options.descripti
validation error glimmer, validator, reactivity, immutability, tracked-value
attempted to close a tracking frame, but one was not open
validation error glimmer, validator, reactivity, tracking, debug
createCache() must be passed a function as its first paramet
validation error debug, validation, glimmer
${fnName}() can only be used on an instance of a cache creat
validation error debug, validation, glimmer
isConst() can only be used on a cache once getValue() has be
validation error debug, validation, glimmer
${open.path.original} doesn't match ${close}
validation error template, handlebars, parser, syntax
Invalid path: ${original}
validation error template, handlebars, parser, syntax, path
Unexpected inverse block on decorator
validation error template, handlebars, parser, decorator
Unexpected node type "${value.type}" found when accepting ${
validation error ast, visitor, handlebars, parser
${node.type} requires ${name}
validation error ast, visitor, handlebars, parser
Unknown type: ${object.type}
validation error ast, visitor, handlebars, parser
Cannot call `compile` with only the template compiler loaded
exception critical ember, module-loading, template-compiler, build
Could not find module ${name} required by: ${referrerName}
exception error module-resolution, loader, amd
Could not find module ${name}
exception error module-resolution, loader, amd
More context objects were passed than there are dynamic segm
exception error routing, ember, router
You didn't provide enough string/numeric parameters to satis
exception error routing, ember, dynamic-segments
${this.url}
exception error routing, unrecognized-url, ember
${_url}
exception error routing, unrecognized-url, ember
TransitionError
exception error routing, transition, ember
TRANSITION_ABORTED
TransitionAborted
error_code info routing, transition-aborted, ember
Attempted to rerender, but the Ember application has had an
console critical rendering, glimmer, ember
ember-glimmer.input.checkbox
`<Input @type="checkbox" />` reflects its checked state via the `@checked` argum
console warning ember, glimmer, components, input
ember-glimmer.link-to.inactive-loading-state
This link is in an inactive loading state because at least one of its models cur
console error
ember-htmlbars.style-xss-warning
constructStyleDeprecationMessage(String(value))
console error
ember-metal.libraries-register
Library "${name}" is already registered with Ember.
console error
DEPRECATION: ${updatedMessage}
console error
DEPRECATION: ${updatedMessage}${stackStr}
console error
WARNING: ${message}
console error
Use constructor instead of create
exception error
unimplemented modifier
exception error
unimplemented dynamic component
exception error
Unclosed element `${poppedNode.tag}`
validation error
A block may only be used inside an HTML element or another b
validation error
Illegal use of ...attributes
validation error
Cannot use mustaches in an elements tagname
validation error
Using a Handlebars comment when in the `${tokenizer['state']
validation error
Handlebars partials are not supported
validation error
Handlebars partial blocks are not supported
validation error
Handlebars decorators are not supported
validation error
Handlebars decorator blocks are not supported
validation error
Using "./" is not supported in Glimmer and unnecessary
validation error
Changing context using "../" is not supported in Glimmer
validation error glimmer, handlebars, template-syntax, scope-resolution
Mixing '.' and '/' in paths is not supported in Glimmer; use
validation error glimmer, handlebars, template-syntax, path-separator
'.' is not a supported path in Glimmer; check for a path wit
validation error glimmer, handlebars, template-syntax, trailing-dot
Attempted to parse a path expression, but it was not valid.
exception error glimmer, handlebars, template-syntax, named-arguments
Attempted to parse a path expression, but it was not valid.
exception error glimmer, handlebars, template-syntax, invalid-path
${node.path.type} "${node.path.type === 'StringLiteral' ? no
exception error glimmer, handlebars, template-syntax, subexpression, literals
In ${tag}, ${modifier} is not a valid modifier
exception error glimmer, handlebars, template-syntax, element-modifier
Invalid named block named detected, you may have created a n
exception error glimmer, handlebars, template-syntax, named-blocks
Invalid end tag: closing tag must not be self-closing
exception error glimmer, handlebars, template-syntax, html-parsing, end-tag
Invalid end tag: closing tag must not have attributes
exception error glimmer, handlebars, template-syntax, html-parsing, end-tag
Invalid block parameters syntax: block parameters must be pr
exception error glimmer, handlebars, template-syntax, block-params
Invalid block parameters syntax: expecting at least one spac
exception error glimmer, handlebars, template-syntax, block-params
Invalid block parameters syntax: mustaches cannot be used in
exception error glimmer, handlebars, template-syntax, block-params
Invalid block parameters syntax: expecting the tag to be clo
exception error glimmer, handlebars, template-syntax, block-params, eof
Invalid block parameters syntax: empty parameters list, expe
exception error glimmer, handlebars, template-syntax, block-params
Invalid block parameters syntax: incomplete parameters list,
exception error glimmer, handlebars, template-syntax, block-params
Invalid block parameters syntax: invalid identifier name \`$
exception error glimmer, handlebars, template-syntax, block-params, identifier
Invalid block parameters syntax: expecting "|" but the tag w
exception error glimmer, handlebars, template-syntax, block-params
Invalid block parameters syntax: modifiers cannot follow par
exception error glimmer, handlebars, template-syntax, block-params
${state.message}
exception error glimmer, handlebars, template-syntax, block-params
${message}
exception error glimmer, handlebars, template-syntax
<${tag.name}> elements do not need end tags. You should remo
exception error glimmer, handlebars, html, void-elements
Closing tag </${tag.name}> without an open tag
exception error glimmer, handlebars, html, unclosed-tag
Closing tag </${tag.name}> did not match last open tag <${el
exception error glimmer, handlebars, html, tag-mismatch
An unquoted attribute value must be a string or a mustache,
exception error glimmer, handlebars, template-syntax, attribute-value
Replacing and removing in key handlers is not yet supported.
exception error glimmer, ast, traversal, visitor-api
Cannot remove a node unless it is part of an array
exception error
Cannot replace a node with multiple nodes unless it is part
exception error
You attempted to invoke a path (\`${resolution.path}\`) but
exception error
Invalid invocation of a literal value (\`${callee.value}\`)
exception error
Invalid invocation of a interpolated string
exception error
You attempted to render a path (\`{{${resolution.path}}}\`),
exception error
You attempted to invoke a path (\`{{#${resolution.path}}}\`)
exception error
You attempted to invoke a path (\`{{${resolution.path}}}\`)
exception error
You attempted to pass a path as argument (\`${arg.name}={{${
exception error glimmer, strict-mode, template-compiler, scope, handlebars
Attempted to invoke a component that was not in scope in a s
exception error glimmer, strict-mode, component-resolution, template-compiler
You attempted to invoke a path (\`<${resolution.path}>\`) bu
exception error glimmer, strict-mode, component-resolution, scope
You used ${variable}.${tail.join('.')} as a tag name, but ${
validation error glimmer, template-compiler, scope, syntax-error
Unexpected named block at the top-level of a template
validation error glimmer, template-compiler, named-blocks, syntax-error
Unexpected named block nested in a normal block
validation error glimmer, template-compiler, named-blocks, syntax-error
<:${name.chars}/> is not a valid named block: named blocks c
validation error glimmer, template-compiler, named-blocks, syntax-error
Unexpected named block inside <:${name.chars}> named block:
validation error glimmer, template-compiler, named-blocks, syntax-error
<:${name.chars}> is not a valid named block, and named block
validation error glimmer, template-compiler, named-blocks, naming
named block <:${name.chars}> cannot have attributes, argumen
validation error glimmer, template-compiler, named-blocks, syntax-error
Unexpected block params in <${name.chars}>: simple elements
validation error glimmer, handlebars, template-syntax, compile-time
Unexpected named block <:foo> inside <${name.chars}> HTML el
validation error glimmer, handlebars, named-blocks, template-syntax
Unexpected named blocks inside <${name.chars}> HTML element
validation error glimmer, handlebars, named-blocks, template-syntax
Unexpected content inside <${name}> component invocation: wh
validation error glimmer, handlebars, named-blocks, template-syntax
Unexpected block params list on <${name}> component invocati
validation error glimmer, handlebars, named-blocks, block-params, template-syntax
Component had two named blocks with the same name, `<:${name
validation error glimmer, handlebars, named-blocks, template-syntax
Component has both <:else> and <:inverse> block. <:inverse>
validation error glimmer, handlebars, named-blocks, template-syntax
Unexpected literal `${value}`
validation error glimmer, handlebars, literal, template-syntax