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Cyclic dependency found: name
Cyclic dependency found: name
Name of the key being resolved
Cyclic dependencies found. This means that you have tried including a dependency in your application that is trying to include the dependency you're loading. **** This happens when there is a dependency graph that looks like this: A --> B --> A or A --> B --> C --> A
Check your code and extract what in A that causes the cyclic dependencies into a separate file, and refer to that from both A and B
You can also use a getter and static inject to work around this issue:
Please also note that this error could be caused by a plugin and not your application. After ruling out that the error is not being caused by your code, try removing any registered plugins one at a time to see if the error resolves itself.
Attempted to jitRegister an intrinsic type: yyyy. Did you forget to add @inject(Key)
Attempted to jitRegister an intrinsic type: yyyy. Did you forget to add @inject(Key)
Interface name
A DI container is trying to resolve an instance of an interface, but there is no registration for it. This means the instance you are trying to load has not been registered with Dependency Injection.
Ensure that you are registering your interface with Aurelia. This can be done inside of the register method on the Aurelia instance or through the DI methods themselves.
Please also note that this error could be caused by a plugin and not your application. After ruling out that the error is not being caused by your code, try removing any registered plugins one at a time to see if the error resolves itself.
yyyy not registered, did you forget to add @singleton()?
yyyy not registered, did you forget to add @singleton()?
Name of the key being resolved
A DI container is trying to resolve a key, but there's not a known strategy for it.
Try adding a strategy for your resolved key. You can do this using @singleton or other forms of DI resolution
Please also note that this error could be caused by a plugin and not your application. After ruling out that the error is not being caused by your code, try removing any registered plugins one at a time to see if the error resolves itself.
Resolver for yyyy returned a null factory
Resolver for yyyy returned a null factory
String version of the key being resolved
No factory was found for transient registration.
This means the transient registration you gave to a container wasn't with a proper factory registered along with it, consider using container.registerFactory(IMyInterface, someFactoryObject) to fix this issue.
Please also note that this error could be caused by a plugin and not your application. After ruling out that the error is not being caused by your code, try removing any registered plugins one at a time to see if the error resolves itself.
Unable to autoregister dependency: [yyyy]
Unable to autoregister dependency: [yyyy]
list of registering parameters
This means during the registration of some value with a container, it has reached the depth 100, which is an extreme case, and is considered invalid.
Check your dependency graph, if it's really complex, which could happen over time, maybe inject a container and resolve the dependencies lazily instead, where possible.
Please also note that this error could be caused by a plugin and not your application. After ruling out that the error is not being caused by your code, try removing any registered plugins one at a time to see if the error resolves itself.
Resource key "yyyy" already registered
Invalid resolver strategy specified: yyyy
resource key
This means there is a resource with that name already registered with a container
Consider using a different name for the resource (element/attribute/value converter/binding behavior etc...).
Please also note that this error could be caused by a plugin and not your application. After ruling out that the error is not being caused by your code, try removing any registered plugins one at a time to see if the error resolves itself.
Invalid resolver strategy specified: yyyy
Invalid resolver strategy specified: yyyy
strategy(string)
This means the internal state of the Internal Resolver has been modified, into an invalid value**.**
Check your code where there's an invalid assignment to a resolver strategy, that may look like resolver.strategy = ...
Please also note that this error could be caused by a plugin and not your application. After ruling out that the error is not being caused by your code, try removing any registered plugins one at a time to see if the error resolves itself.
Attempted to jitRegister something that is not a constructor: 'yyyy'. Did you forget to register this resource?
Attempted to jitRegister something that is not a constructor: 'yyyy'. Did you forget to register this resource?
key(any)
This means a container.get(key) call happens with key being built in type functions such as String/Number/Array etc.
This could happen from TS generated code where it fails to generate proper metadata, or forgotten registration, consider checking the output of TS when emitDecoratorMetadata is on, or remember to register a resolution for those built-in types.
Please also note that this error could be caused by a plugin and not your application. After ruling out that the error is not being caused by your code, try removing any registered plugins one at a time to see if the error resolves itself.
Unable to resolve key: yyyy
Unable to resolve key: yyyy
key(string)
This means a container has failed to resolve a key in the call container.get(key).
This requires specific debugging as it shouldn't happen, with all the default strategies to resolve for various kinds of keys.
Please also note that this error could be caused by a plugin and not your application. After ruling out that the error is not being caused by your code, try removing any registered plugins one at a time to see if the error resolves itself.
Attempted to jitRegister something that is not a constructor: 'yyyy'. Did you forget to register this resource?
Attempted to jitRegister something that is not a constructor: 'yyyy'. Did you forget to register this resource?
key(any)
This means a container.get(key) call happens without any prior knowledge for the container to resolve the key given. And the container is unable to instantiate this key as it's not a class (or a normal function).
Consider registering the key with the container, or parent or root containers before making the call.
Please also note that this error could be caused by a plugin and not your application. After ruling out that the error is not being caused by your code, try removing any registered plugins one at a time to see if the error resolves itself.
Invalid resolver returned from the static register method
Invalid resolver returned from the static register method
This means the internal state of the Internal Resolver has been modified, into an invalid value**.**
Check the register method on the key.
Please also note that this error could be caused by a plugin and not your application. After ruling out that the error is not being caused by your code, try removing any registered plugins one at a time to see if the error resolves itself.
Cannot call resolve yyyy before calling prepare or after calling dispose.
Cannot call resolve yyyy before calling prepare or after calling dispose.
name(string)
An InstanceProvider.resolve() call happens without having an any instance provided.
Call InstanceProvider.prepare(instance) before resolving, or instantiate the InstanceProvider with an instance in the 2nd parameter.
Please also note that this error could be caused by a plugin and not your application. After ruling out that the error is not being caused by your code, try removing any registered plugins one at a time to see if the error resolves itself.
Attempted to jitRegister an interface: yyyy
Attempted to jitRegister an interface: yyyy
name(string)
container.get(key) was called with key being an interface with no prior registration
Register the interface with the container before calling container.get().
Please also note that this error could be caused by a plugin and not your application. After ruling out that the error is not being caused by your code, try removing any registered plugins one at a time to see if the error resolves itself.
key/value cannot be null or undefined. Are you trying to inject/register something that doesn't exist with DI?
key/value cannot be null or undefined. Are you trying to inject/register something that doesn't exist with DI?
A key was null/undefined in a container.get/.getAll call
Make sure the key is not null/undefined. This sometimes can happen with bundler that leaves circular dependency handling to applications, e.x: Webpack.
Please also note that this error could be caused by a plugin and not your application. After ruling out that the error is not being caused by your code, try removing any registered plugins one at a time to see if the error resolves itself.
yyyy is a native function and, therefore cannot be safely constructed by DI. If this is intentional, please use a callback or cachedCallback resolver.
yyyy is a native function and, therefore cannot be safely constructed by DI. If this is intentional, please use a callback or cachedCallback resolver.
name(string)
A container.invoke(key) or container.getFactory(key) call happens with the key being one of the built-in types like String/Number/Array
Consider avoid using these keys for those calls
Please also note that this error could be caused by a plugin and not your application. After ruling out that the error is not being caused by your code, try removing any registered plugins one at a time to see if the error resolves itself.
Encountered an error and looking for answers? You've come to the right place.
This section is a work in progress and not yet complete. If you would like to help us document errors in Aurelia, we welcome all contributions.
Coded error in Aurelia comes with format: AURxxxx:yyyy where:
AUR is the prefix to indicate it's an error from Aurelia
xxxx is the code
: is the delimiter between the prefix, code and the dynamic information associated with the error
yyyy is the extra information, or parameters related to the error
The section below will list errors by their prefix, and code and give a corresponding explanation, and a way to fix them.
Dependency Injection errors can be found here.
AUR0701
This happens when a template has a single template element in your template, and it has as-local-element attribute on it
AUR0702
This happens when a template has one or more attributes that are supposed to be unique on its surrogate elements
AUR0703
This happens when a template controller attribute is used on a surrogate element of a template
AUR0704
This happens when an attribute on a <let/> element is used without .bind or .to-view command
AUR0705
This happens when enhancing a template with one or more element in it already have a class au on it
AUR0706
This happens when [au-slot] attribute is used on an element that is not an immediate child of a custom element
AUR0707
This happens when the template compiler encounters binding to a non-bindable property of a custom attribute
AUR0708
This happens when the template of a custom element has nothing beside template elements with as-local-element
AUR0709
This happens when an as-local-element template is not defined as an immediate child of the root of a custom element template
AUR0710
This happens when an as-local-element template has a <bindable> element inside its template, that is not not an immediate child of its fragment
AUR0711
This happens when a <bindable> inside an as-local-element template does not have a valid property attribute on it
AUR0712
This happens when an as-local-element template has 2 or more <bindable> elements with non-unique attribute or property attributes
AUR0713
This happens when an unknown binding command is encountered in a custom element template
AUR0714
This happens when a custom element or attribute definition has more than 1 primary bindable property
AUR0715
This happens when an as-local-template template has the value of as-local-template as an empty string
AUR0716
This happens when a custom element has 2 or more local elements with the same name
AUR0750
This happens when there is a binding that looks like this view.ref="...". This likely comes from a v1 template migration.
AUR0751
This happens when there is a ref binding in the template that does not have matching target. Most likely a custom attribute reference
AUR0752
This happens when a controller renders a custom element instruction that it doesn't have a registration. Normally happens in hand-crafted definition
AUR0753
This happens when a controller renders a custom attribute instruction that it doesn't have a registration. Normally happens in hand-crafted definition
AUR0754
This happens when a controller renders a template controller instruction that it doesn't have a registration. Normally happens in hand-crafted definition
AUR0755
This happens when a view factory provider tries to resolve but does not have a view factory associated
AUR0756
This happens when a view factory provider tries to resolve but the view factory associated does not have a valid name
AUR0757
This happens when IRendering.render is called with different number of targets and instructions
AUR0758
This happens when BindingCommand.getDefinition is called on a class/object without any binding command metadata associated
AUR0759
This happens when CustomAttribute.getDefinition is called on a class/object without any custom attribute metadata associated
AUR0760
This happens when CustomElement.getDefinition is called on a class/object without any custom element metadata associated
AUR0761
This happens when CustomElementDefinition.create is called with a string as first parameter
AUR0762
This happens when CustomElement.for is called on an element that does not have any custom element with a given name, without searching in ancestor elements
AUR0763
This happens when CustomElement.for is called and Aurelia isn't able to find any custom element with the given name in the given element, or its ancestors
AUR0764
This happens when CustomElement.for is called on an element with a given name, and Aurelia is unable to find any custom element in the given the element, or its ancestors
AUR0765
This happens when CustomElement.for is called on an element without a given name, and Aurelia is unable to find any custom element in the given element, or its ancestors
AUR0766
This happens when @processContent is called with a string as its first parameter, and Aurelia couldn't find the method on the decorated class
AUR0767
This happens when root property on an Aurelia instance is access before at least one application has been started with this Aurelia instance
AUR0768
This happens when a new Aurelia is created with a predefined container that already has IAurelia registration in it, or its ancestors
AUR0769
This happens when an Aurelia application is started with a document fragment before it's adopted by a document
AUR0770
This happens when Aurelia.prototype.start is called with a null/undefined value as the first parameter
AUR0771
This happens when Aurelia.prototype.dispose is called before the instance is stopped
AUR0772
This happens when the @watch decorator is used without a valid first parameter
AUR0773
This happens when the @watch decorator is used and Aurelia is not able to resolve the first parameter to a function
AUR0774
This happens when the @watch decorator is used on a class property instead of a method
AUR0651
This happens when the binding created .attr binding command is forced into two way mode against any attribute other than class/style
AUR0652
This happens when the default NodeObserverLocator.getObserver is called with an object and property combo that it doesn't know how to observe, and dirty checking is disabled
AUR0653
This happens when NodeObserverLocator property->observation events mapping is getting overridden
AUR0654
This happens when a <select> element is specified multiple, but the binding value is not an array
AUR0500
This happens when Controller.getCachedOrThrow throws
AUR0501
This happens when a custom element is specified containerless and has <slot> element in its template
AUR0502
This happens when a disposed controller is being activated
AUR0503
This happens when the internal state of a controller is corrputed during activation
AUR0504
This happens when a synthetic view is activated without a proper scope
AUR0505
This happens when the internal state of a controller is coruppted during deactivation
AUR0506
This happens when Aurelia fails to resolve a function from the first parameter of a @watch decorator
AUR0801
This happens when & self binding behavior is used on non-event binding
AUR0802
This happens when & updateTrigger binding behavior is used without any arguments
AUR0803
This happens when & updateTrigger binding behavior is used on binding without view -> view model observation
AUR0804
This happens when & updateTrigger binding behavior is used on binding that does not target a DOM element
AUR0805
This happens when <au-compose> scopeBehavior property is assigned a value that is not either auto or scoped
AUR0806
This happens when <au-compose> component binding is used with a custom element with containerless = true
AUR0807
This happens when there's a corrupted internal state of <au-compose> and activation is called twice
AUR0808
This happens when there's a corrupted internal state of <au-compose> and deactivation is called twice
AUR0809
This happens when <au-render> component binding is given a string value, and there's no custom element with matching name
AUR0810
This happens when else attribute does not follow an if attribute
AUR0811
This happens when portal attribute is a given an empty string as CSS selector fortarget, and strict mode is on
AUR0812
This happens when portal attribute couldn't find the target element to portal to, and strict mode is on
AUR0813
This happens when then/catch/pending attributes is used outside of a promise attribute
AUR0814
This happens when the internal of the repeat attribute get into a race condition and is corrupted
AUR0815
This happens when case/default-case attributes is used outside of a switch attribute
AUR0816
This happens when there are multiple default-case attributes inside a switch attribute
AUR0817
This happens when & signal binding behavior is used on binding that does not have handleChange method
AUR0818
This happens when & signal binding behavior is used without a valid name (non empty)
AUR0901
Dialog
This happens when an application is closed with some dialogs still open
AUR0903
Dialog
This happens when IDialogService.open is called without both component and template property
AUR0904
Dialog
This happens when the default configuration of the dialog plugin is used, as there's no registration associated for key interfaces
AUR0101
This happens when Aurelia couldn't find a binding behavior specified in an expression
AUR0102
This happens when there are two binding behaviors with the same name in an expression
AUR0103
This happens when a value converter for a given name couldn't be found during the evaluation of an expression
AUR0104
This happens when a value converter for a given name couldn't be found during the assignment of an expression
AUR0105
This happens when the special $host contextual property is accessed but no thing is found in the scope tree
AUR0106
This happens when an expression looks like this $host = ..., as $host is a readonly property
AUR0107
This happens when a call expression is evaluated but the object evaluated by the expression isn't a function
AUR0108
This happens when a binary expression is evaluated with an unknown operator
AUR0109
This happens when an unary expression is evaluated with an unknown operator
AUR0110
This happens when a tagged template (function call) is but the function specified isn't a function
AUR0111
This happens when a function call AST is evaluated but no function is found
AUR0112
This happens when a non-object or non-array value is assigned for destructured declaration for a repeat.for statement
AUR0151
An expression has an invalid character at the start
AUR0152
An expression has .. or ...
AUR0153
The parser encounters an unexpected identifier in an expression
AUR0154
The parser encounters an invalid AccessMember expression
AUR0155
The parers encounters an unexpected end in an expression
AUR0156
The parser encounters an unconsumable token in an expression
AUR0158
The expression has an invalid assignment
AUR0159
An expression has no valid identifier after the value converter ` | ` symbol
AUR0160
An expression has no valid identifier after the binding behavior & symbol
AUR0161
The parser encounters an invalid of keyword
AUR0162
The parser encounters an unconsumed token
AUR0163
The parser encounters an invalid binding identifier at left hand side of an of keyword
AUR0164
The parser encounters a literal object with a property declaration that it doesn't understand
AUR0165
An expression has an opening string quote ' or ", but no matching ending quote
AUR0166
An expression has an opening template string quote ```, but has no matching end
AUR0167
The parser encounters an unexpected token
AUR0168
The parser encounters an unexpected character
AUR0169
The parser encounters an unexpected character while parsing destructuring assignment expression
AUR0201
BindingBehavior.getDefinition is called on a class/object without any binding behavior metadata associated
AUR0202
ValueConverter.getDefinition is called on a class/object without any value converter metadata associated
AUR0203
BindingContext.get is called with null/undefined as the first parameter
AUR0204
Scope.fromOverride is called with null/undefined as the first parameter
AUR0205
Scope.fromParent is called with null/undefined as the first parameter
AUR0206
ConnectableSwitcher.enter is called with null/undefined as the first parameter
AUR0207
ConnectableSwitcher.enter is called with the currently active connectable
AUR0208
ConnectableSwitcher.exit is called with null/undefined as the first parameter
AUR0209
ConnectableSwitcher.exit is called with an inactive connectable
AUR0210
getCollectionObserver is called with an not-supported collection type
AUR0211
a binding subscried to an observer, but does not implement method handleChange
AUR0212
a binding subscribed to a collection observer, but does not implement method handleCollectionChange
AUR0220
a Set/Map size observer .setValue method is called
AUR0221
the setValue method on a computed property without a setter
AUR0222
Aurelia doesn't know how to observe a property on an object, and dirty checking is disabled
AUR0224
Encounters an invalid usage of @observable
AUR0225
An effect is attempted to run again, after it has stopped
AUR0226
An effect has reach its limit of recursive update
Router-Lite logs various events. Majority of those events are traces. The non-warn, non-error events are not logged in non-dev build, and are only available for troubleshooting in the dev-build. This section only lists the error codes.
AUR3155
The route context cannot be resolved from the given DOM node. This happens if the given node is not a custom element or not a child-node of a custom element.
AUR3166
This happens when an attempt to eagerly (without involving the route recognizer) recognize a routing instruction failed. If you are getting this error, please report it.
AUR3167
This happens when the application root is not yet set, but the router is trying to set a routing root. If you are getting this error, please report it.
AUR3168
This happens when a route context already exist for the application root; for example if it attempted to set the routing root more than once.
AUR3169
This happens when no controller exists for the application root. If you are getting this error, please report it.
AUR3170
A route context cannot be resolved for the given input.
AUR3171
This happens when the route node of the route context is not set. If you are getting this error, please report it.
AUR3172
This happens when the viewport agent of the route context is not set. If you are getting this error, please report it.
AUR3173
This happens the import() function is used as component, while configuring a route, but no path has been specified. This is not supported.
AUR3174
No viewport agent can be resolved for a given request.
AUR3175
This happens the import() function is used as component, while configuring a route, but the module does not export any aurelia custom element.
AUR3270
A routing transition failed.
AUR3271
The routing context of the router is not set. If you are getting this error, please report it.
AUR3350
Activation of component from a viewport failed due to incorrect state. If you are getting this error, please report it.
AUR3351
Deactivation of component from a viewport failed due to incorrect state. If you are getting this error, please report it.
AUR3352
The state of the viewport agent is not as expected. If you are getting this error, please report it.
AUR3353
The transition was either erred or cancelled via one of the can* hooks, but the router attempts to continue with the current instruction instead of cancelling it. If you are getting this error, please report it.
AUR3400
A navigation instruction cannot be created.
AUR3401
Neither the given routing instruction can be recognized, nor a fallback is configured.
AUR3401
The redirect route cannot be recognized.
AUR3403
toUrlComponent is invoked on a navigation instruction with incompatible type. This happens when the type of the instruction is a promise or a view-model.
AUR3450
Thrown by the navigation model when the endpoint for a path is not found.
AUR3500
Thrown by the route expression parser upon encountering an unexpected segment.
AUR3501
Thrown by the route expression parser when all of the given input string cannot be consumed.
AUR3502
Thrown if an unexpected segment is encountered during migrating parameters for redirect route.
AUR3550
Thrown when a re-attempt is made to call the getRouteConfig hook for the same component. If you are getting this error, please report it.
AUR3551
A custom element definition could not be resolved from the given string name, as no route context was provided. If you are getting this error, please report it.
AUR3552
A custom element definition could not be resolved from the given string name, as it is potentially not a custom element.
AUR3553
A custom element definition could not be resolved from theimport() function, as no route context was provided to resolve it.
AUR3554
The validation of a route config failed due to unexpected type of property.
AUR3555
The validation of a route config failed, as the config is either undefined or null.
AUR3556
The validation of a route config failed due to unexpected property.
AUR3556
The validation of a redirect route config failed due to unexpected property.