AvaloniaUI/Avalonia

Documented errors, page 2 of 4. Back to AvaloniaUI/Avalonia

Code / MessageTypeSeverityTags
No animator registered for the property
exception error animation, animator, registry, custom-property, avalonia-base
Attempt to call InvalidateArrange on wrong LayoutManager.
exception error layout, layout-manager, visual-tree, reparenting
Could not get platform handle
exception error macos, embedding, native-control-host, nsview, integration-test
Default font family name can't be null or empty.
exception critical font-manager, configuration, media, fonts, headless, platform
Binding mode cannot be Default.
exception error data-binding, binding-mode, validation, internal-api
Skip count must be bigger than zero
exception error reactive, argument-validation, skip, off-by-one
Could not convert list index
exception error data-binding, indexer, reflection, type-conversion
Infinite layout loop detected
exception error layout, rendering, invalidoperation, infinite-loop
Not all states are disposed
exception error avalonia, drawing-context, transform, unbalanced, dispose, lifecycle
is not compatible with composition
exception error composition, drawing, resource, type-mismatch
Cannot dispose while memory is pinned.
exception critical fonts, lifecycle, dispose, concurrency, pinning, native-memory
Disposables can't contain null
exception error avalonia, reactive, disposables, argument, null-element
stack
exception info csharp, debug, debugger-type-proxy, null-argument, pooled
The PropertyInfoAccessorPlugin does not support dynamic…
exception error binding, accessor-plugin, compiled-binding, configuration
'errorType' may not be None
exception error binding, bindingnotification, validation, data
Value cannot be null. (Parameter 'fileInfo')
exception error avalonia, launcher, argumentnull, file-info, validation
collection
exception info csharp, debug, debugger-type-proxy, null-argument, pooled
Dictionary reset not supported
exception error resource-dictionary, merged-dictionaries, notsupported, styling
Dynamic expressions are not allowed in binding expressions.
validation error avalonia, binding, compiled-binding, expression-tree, dynamic, visitor, unsupported-operation
Element name expected after '#'.
validation error avalonia, binding, xaml, binding-expression, element-name, parser, syntax-error
Cannot add to a style.
exception error avalonia, styling, iaddchild, xaml, type-mismatch
Invalid HSL color string
exception error color, hsl, parsing, format-exception, argument-validation
SurfaceView.Holder was not expected to be null during…
exception critical android, surface, construction, context, lifecycle
Easing " " was not found in namespace.
validation error animation, parsing, easing, avalonia
Cannot call Measure using a size with NaN values.
exception error layout, measure, nan, custom-panel
Unknown RelativeSource mode.
validation error avalonia, binding, xaml, binding-expression, relative-source, parser, syntax-error, wpf-migration
AndroidPlatformOptions.RenderingMode has a value of
exception error android, rendering, egl, vulkan, gpu-driver, emulator, fallback
Invalid size returned for Measure.
exception error layout, measure, custom-control, measurecore
Expected ' '.
validation error data-binding, binding-path, parser, internal-api
Indexer may not be empty.
validation error avalonia, binding, xaml, binding-expression, indexer, parser, syntax-error
Unable to load via dlopen
exception error linux, dlopen, harfbuzz, native-libs, rid, sample, message-bug
Invalid method handle
exception error compiled-binding, method-handle, reflection, trimming
Value cannot be null. (Parameter 'tcs')
exception error avalonia, reactive, observer, argumentnull, tcs
Activity.Window must be set.
exception error android, activity-lifecycle, window, insets, edge-to-edge, platform
Cannot find an ILogical to get a visual ancestor.
exception error data-binding, relative-source, visual-tree, ancestor
Could not load the ' ' table.
exception error fonts, font-parsing, maxp, glyph-typeface, corruption
Animation Target can't be null
exception error composition, animation, animation-group, argument
A member accessor can be subscribed to only once.
exception error binding, accessor, subscription, lifecycle
Attached properties not supported.
exception error avalonia, property-system, attached-property, validation
defaultFlatness must be greater than 1.0e-10
validation error avalonia, arc, bezier, argument, configuration, flatness
This API is only available from OnRender
exception error rendering, composition, invalid-operation, render-scope, custom-visual
This resource doesn't exist on that compositor
exception error composition, resource, compositor, cross-compositor
Element init expressions are not valid in a binding…
validation error avalonia, binding, compiled-binding, expression-tree, element-init, visitor, unsupported-operation
PlatformDrawingContext
exception error avalonia, drawing-context, transform, disposed, unbalanced
The member accessor was not subscribed.
exception error binding, accessor, subscription, lifecycle
Invalid bool rule.
exception error avalonia, path-markup, arc, invalid-data, parse
Unknown error: AvaloniaView initialization has failed.
exception critical android, application-lifecycle, iandroidapplication, activity, platform
Binding returned unsupported
exception error binding, avaloniaobject, not-supported, extension-authoring
Invalid BindingValueType.
exception error binding, bindingvalue, enum, internal
must have a value of type .
validation error animation, type-mismatch, transform, keyframe, avalonia
The ResourceDictionary already has a parent.
exception error resource-provider, ownership, resource-dictionary, styling
Base uri must be an absolute uri.
exception error font-family, uri, media, resource
Unable to access .NET memory
exception error browser, rendering, wasm, interop, typescript, dotnet-memory
LogicalAncestorNode is invalid in conjunction with a…
exception error data-binding, relative-source, logical-tree, ancestor
Module.GL object wasn't initialized, WebGL can't be used.
exception critical browser, rendering, webgl, wasm, emscripten, typescript
Value cannot be null. (Parameter 'observer')
exception error reactive, null-argument, observer, ui-thread
Value must be less than 10.
exception warning sample, binding, validation, csharp, reactiveui, argumentoutofrange
The metadata is read-only.
exception error avalonia, metadata, immutability, property-system
Value cannot be null. (Parameter 'directoryInfo')
exception error avalonia, launcher, argumentnull, directory-info, validation
Not selector must have a selector argument.
exception error avalonia, styling, not-selector, null-argument
Too many provided values.
validation error transform, parse, format-exception, argument-count, avalonia
Can not create ' ' because a file with the same name…
exception error android, storage, io, name-conflict, saf
Cannot add value to DoNothing binding value.
exception error binding, bindingvalue, donothing, data
Transition has no property specified.
exception error animation, transition, invalid-operation, configuration
BindingValue has no value.
exception error binding, bindingvalue, value-access, data
The property is readonly.
exception error directproperty, readonly, bindings, argument
Catch blocks are not allowed in binding expressions.
validation error avalonia, binding, compiled-binding, expression-tree, catch-block, visitor, unsupported-operation
Child styles must have a selector.
exception error avalonia, styling, style, child-style, selector
Could not parse text decoration.
validation error avalonia, text, text-decoration, parse, enum
Give me 5 or more letter please :-)
validation warning sample, binding, validation, csharp, argumentoutofrange
Name may not be empty
exception error avalonia, styling, class-selector, validation, argument
belongs to a different compositor
exception error composition, compositor, cross-compositor, brush
CompositionImportedGpuSemaphore
exception error rendering, composition, gpu, object-disposed, interop, semaphore
Could not convert ' ' to .
exception error avalonia, collections, type-converter, xaml, parsing
Only Next, Previous, Up, Down, Left and Right directions…
exception error focus, navigation, argument-out-of-range, input
Property ' not registered on
validation error avalonia, property-system, registration, direct-property
Unable to locate ' '.
exception error di, locator, invalid-operation, configuration
BindingExpression has not been started.
exception error bindings, bindingexpression, invalidoperation, valuestore
Cannot raise an event whose RoutedEvent is null.
exception error events, routedevent, interactivity, argument
owner
exception error avalonia, styling, resources, null-argument, ownership
Text decoration already specified.
validation error avalonia, text, text-decoration, duplicate, parse
Value cannot be null. (Parameter 'onNext')
exception error avalonia, reactive, observer, argumentnull, callback
Wrong Push/Pop state order
exception error rendering, drawingcontext, lifecycle, invalidoperation
Invalid unit
validation error transform, parse, format-exception, unit-validation, avalonia
The Style already has a parent.
exception error avalonia, styling, resources, ownership, invalid-operation
UpdateSourceTrigger cannot be Default.
exception error data-binding, update-source-trigger, validation, internal-api
Invalid animation duration
exception error animation, composition, invalid-operation, timespan, defensive-check
Need more than one selector to OR.
exception error avalonia, styling, or-selector, validation
Invalid application identifier
exception error dataformat, validation, argument, clipboard
('0') must be a non-zero value.
validation error text-formatting, text-bounds, argument-validation, avalonia
Size should be >= (1,1)
validation error imaging, writeablebitmap, argument, validation
Invalid PixelSize.
exception error pixel-size, parse, format-exception, avalonia
Expected indexer argument.
validation error data-binding, binding-path, parser, indexer
glyphRun
validation error avalonia, drawing-context, glyph, null-argument, text
Android backend wasn't initialized. Make sure .UseAndroid()…
exception critical android, initialization, appbuilder, compositor, startup
Cannot call AsObservable on a to binding expression which…
exception error bindings, observable, bindingexpression, invalidoperation
HTMLCanvasElement.getContext returned null.
exception error browser, rendering, webgl, canvas, typescript, fallback
Reset called on collection without reset handler.
exception error avalonia, collections, dictionary, reactive, collection-changed
TemplatedParentNode is invalid in conjunction with a…
exception error data-binding, relative-source, templated-parent, control-template
Transitions collection cannot be reset.
exception error animation, transitions, collection, binding, avalonia-base