ErrLookup › angular/components
angular/components
Component infrastructure and Material Design components for Angular · TypeScript · 1,867 source files
Analyzed at 0411926e7d on 2026-08-31. 217 documented errors.
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
| Formats array must not be empty. | validation | error | angular-material, date-fns, date-parsing, invalid-argument, developer-error |
| Attempting to open an undefined instance of… | exception | error | angular-material, autocomplete, lifecycle, template-binding |
| Your project is not using the default builders for | console | warning | angular, schematics, angular-json, builders, material-theme |
| setContenteditableValue can only be called on a… | exception | error | angular, cdk-testing, selenium-webdriver, contenteditable |
| Conditional row definitions via the `when` input are not… | exception | error | angular, cdk-table, virtual-scroll, dev-mode-check |
| A valid data source must be provided. | exception | critical | angular, cdk-tree, data-source, missing-input |
| Cannot interact with a Google Map Rectangle before it has… | exception | error | angular, google-maps, lifecycle, initialization |
| Cannot determine child element indentation because the… | exception | error | angular, schematics, parse5, html-manipulation |
| Cannot interact with a Google Map Directions Renderer… | exception | error | angular, google-maps, lifecycle, initialization |
| MatDatepickerActions does not have | exception | error | angular, testing, component-harness, datepicker |
| Could not read file for path | exception | error | angular, schematics, index-html, file-not-found |
| Method not implemented | exception | error | angular, typescript, date-adapter, abstract-method |
| Cannot create an Angular Material theme because | console | warning | angular, schematics, material-theme, ng-add |
| Invalid date " ". Reason: " ". | exception | error | angular-material, luxon, invalid-date, validation |
| CdkSelectAll: missing CdkSelection in the parent | exception | error | angular, cdk, selection, experimental, missing-parent |
| Could not find project in workspace | exception | error | angular, schematics, workspace-config, angular-cli |
| Default implementation of filterPredicate requires data to… | console | warning | angular, material-table, filtering, data-source |
| Could not find a matching node definition for the provided… | exception | error | angular, cdk-tree, template, node-def |
| CDK virtual scroll: maxBufferPx must be greater than or… | exception | error | angular, cdk, virtual-scroll, validation, arguments |
| ⚠ Some issues were detected but could not be fixed… | console | warning | angular, schematics, migration, cli, ng-update |
| Could not find the project main file inside of the… | exception | error | angular, schematics, workspace-config, main-file |
| Namespace YT not found, cannot construct embedded youtube… | exception | error | youtube, iframe-api, missing-dependency, dev-mode |
| MatTestDialogOpener does not have a component provided. | exception | error | angular, testing, dialog, component-harness |
| Attempting to attach dialog content after content is… | exception | error | angular, cdk, dialog, lifecycle |
| Cannot determine project target configuration for | exception | error | angular, schematics, workspace-config, architect-targets |
| MatDatepicker: No provider found for DateAdapter. You must… | exception | error | angular-material, datepicker, dependency-injection, missing-provider |
| NOT_IMPLEMENTED | exception | error | angular, material, date-adapter, not-implemented, abstract-method |
| formatDiagnostics(errors, fileSystem) | exception | error | typescript, tsconfig, diagnostics, configuration |
| Cannot parse the specified color | exception | error | angular, schematics, theming, color-parsing, validation |
| Attempting to attach a portal to a null PortalOutlet | exception | error | angular, cdk, portal, null-reference |
| Failed to find element matching one of the following queries | exception | error | angular-cdk, testing, component-harness, element-not-found |
| MatDatepicker: No provider found for MAT_DATE_FORMATS. You… | exception | error | angular, material, datepicker, dependency-injection, configuration |
| tag not found | exception | error | angular-material, svg, icon-registry |
| Incorrect tree structure containing detached node. | exception | error | angular, cdk, tree, dom-structure, dev-mode |
| Invalid month index " ". Month index has to be between 0… | validation | error | angular-material, luxon, date-arithmetic, invalid-argument, off-by-one |
| Invalid seconds " ". Seconds value must be between 0 and 59. | validation | error | date-adapter, luxon, validation, arguments |
| Missing definitions for header, footer, and row; cannot… | exception | error | angular, cdk-table, missing-row-def, template |
| MatTimepicker: Incomplete `MAT_DATE_FORMATS` has been… | validation | error | angular-material, timepicker, configuration, date-formats, dependency-injection |
| SelectionSet: not multiple selection | exception | error | angular, cdk, selection, dev-mode-assertion |
| Invalid DOM structure for drop list. All items must be… | exception | error | angular, cdk, drag-drop, drop-list-ref, dom-structure |
| Angular Material has been set up in your workspace. There… | console | info | angular, material, schematics, ng-add, library-project |
| MarkerClusterer class not found, cannot construct a marker… | exception | error | angular, google-maps, missing-dependency, markerclusterer |
| Maps event target that uses native events must have… | exception | error | angular, google-maps, dev-mode, event-handling, missing-method |
| Could not find HttpClient for use with Angular Material… | exception | error | angular, http-client, dependency-injection, icon-registry |
| mat-tab-group background color must be set through the Sass… | exception | error | angular-material, tabs, theming, deprecated-input |
| Unknown data source | exception | error | angular, cdk, selection, data-source, dev-mode-assertion |
| MatFormField: Invalid appearance | validation | error | angular, material, form-field, validation, api-change |
| This TestElement was not created by the… | exception | error | testing, angular-cdk, type-mismatch |
| Cannot pass multiple values into SelectionModel with… | exception | error | angular, cdk, selection-model, dev-mode-assertion |
| CdkSelectionColumn: missing parent table | exception | error | angular, cdk, selection, table, missing-parent |
| Tree is using conflicting node types which can cause… | console | warning | angular, cdk, tree, template, dev-mode-warning |
| Tsconfig cannot not be read | exception | error | typescript, tsconfig, file-not-found, configuration |
| trackBy must be a function, but received | console | warning | angular, cdk, table, trackby, input-validation |
| Found multiple CdkOption representing the same value under… | console | warning | listbox, cdk-listbox, duplicate-values, comparewith |
| MatSelectionColumn: missing MatSelection in the parent | exception | error | angular-material, dependency-injection, missing-provider, template-structure, ngdevmode |
| Cannot interact with a Google Map Traffic Layer before it… | exception | error | angular, google-maps, initialization, lifecycle |
| ${filePath}${lineAndCharacter} - ${message} | console | warning | angular, schematics, migration, cli, update-tool |
| SelectionSet: index required when trackByFn is used. | exception | error | angular, cdk, selection, trackby, dev-mode-assertion |
| Invalid date " " for month with index " ". | validation | error | date-adapter, moment, validation, leap-year |
| Harness is attempting to use a fixture that has already… | exception | error | testing, angular-cdk, fixture-lifecycle |
| Cannot access Google Map information before the API has… | exception | error | angular, google-maps, async-initialization, lifecycle, layer |
| Element is not associated with a calendar | exception | error | angular, material, testing, cdk-harness, datepicker |
| Cannot interact with a MarkerClusterer before it has been… | exception | error | angular, google-maps, async-initialization, lifecycle, dev-mode |
| File does not exist. | exception | error | angular, schematics, file-not-found, component-generation |
| MatSelectionColumn: missing parent table | exception | error | angular-material, template-structure, missing-parent, column-definition, ngdevmode |
| Cannot retrieve popup content because the combobox is… | exception | error | angular, cdk-harness, testing, aria, combobox |
| No data could be found for target version | exception | error | angular, schematics, migration, missing-data |
| ProxyZoneSpec is needed for the test harnesses but could… | exception | error | testing, zonejs, configuration, angular |
| MarkerClusterer class not found, cannot construct a marker… | exception | error | angular, google-maps, missing-dependency, marker-clusterer, dev-mode |
| ConnectedPosition: Invalid | exception | error | angular, cdk, overlay, positioning |
| Player not initialized before | exception | error | youtube-player, testing, initialization-order, mock |
| Detected a matBadge on an "aria-hidden" "<mat-icon>"… | console | warning | angular, material, badge, accessibility, aria |
| Value must be an array in multiple-selection mode. | exception | error | angular, material, forms, dev-mode |
| Dialog with id " " exists already. The dialog id must be… | exception | error | angular, cdk, dialog, duplicate-id |
| formatDiagnostics([error], fileSystem) | exception | error | typescript, tsconfig, json-parse, configuration |
| Input type " " isn't supported by matInput. | exception | error | angular-material, mat-input, form-field, validation |
| MomentDateAdapter: Cannot format invalid date. | exception | error | date-adapter, moment, formatting, invalid-date |
| Cannot interact with a Google Map GroundOverlay before it… | exception | error | angular, google-maps, lifecycle, initialization |
| cdk-virtual-scroll: scrolledIndexChange is currently not… | exception | error | angular, cdk, virtual-scroll, experimental, unsupported-feature |
| Specified anchor does not implement the `getAnchor` method… | exception | error | angular, google-maps, info-window, api-misuse, type-mismatch |
| Unable to read directory in virtual file system host. This… | exception | error | angular, cdk, schematics, typescript, tooling |
| A drawer was already declared for 'position= | exception | error | angular, material, template, configuration |
| Cannot attach component portal to outlet without an… | exception | error | angular, cdk, portal, dependency-injection |
| FlexibleConnectedPositionStrategy: At least one position is… | exception | error | angular, cdk, overlay, positioning |
| matBadge must be attached to an element node. | exception | error | angular-material, badge, dom-node, dev-mode |
| Cannot interact with a Google Map Info Window before it has… | exception | error | angular, google-maps, lifecycle, initialization |
| A mat-tab-nav-panel must be specified via [tabPanel]. | exception | error | angular-material, tabs, template-error, dev-mode |
| Invalid slider thumb input configuration! Valid… | exception | error | angular, material, template, configuration |
| CdkSelectionColumn: missing CdkSelection in the parent | exception | error | angular, cdk, selection, table, missing-parent |
| must be attached to an element node. Currently attached to… | exception | error | angular, cdk, drag-drop, directive-host |
| Cannot change `multiple` mode of mat-selection-list after… | validation | error | angular, material, selection-list, immutable-input |
| Duplicate column definition name provided | exception | error | angular, cdk-table, duplicate-column, template |
| Module not found | exception | error | angular, schematics, file-not-found, ngmodule |
| expected an instance of PointerFocusTracker to be provided | exception | error | angular, cdk, menu, dependency-injection |
| mat-date-range-input must contain a matStartDate input | exception | error | angular-material, datepicker, template, validation |
| CdkSelectAll: CdkSelection must have cdkSelectionMultiple… | exception | error | angular, cdk, selection, experimental, invalid-configuration |
| Element matching '[cdkFocusInitial]' is not focusable. | console | warning | focus-trap, a11y, focusability, angular-cdk |
| No active link could be found. | exception | error | angular-material, component-harness, testing, tabs |
| Could not find a tree control, levelAccessor, or… | exception | error | angular, cdk-tree, tree-control, missing-input |
| A list item cannot have wrapping content without a title. | console | warning | angular, material, list, content-validation, dev-mode-warning |