angular
Template export not found (NG0301)
NG0301.*Export of name '(.+)' not found
Fixes
- 1.Ensure the directive is imported — e.g., FormsModule for `#f='ngForm'`
- 2.Check the exportAs property of the directive matches what you're referencing
- 3.Verify the directive/component module is in the imports of your module
templatetemplate-referencedirectives
Related Errors
angular3 fixes
ExpressionChangedAfterItHasBeenCheckedError (NG0100)
NG0100.*Expression has changed after it was checked
- •Move the value change to ngAfterViewInit with a ChangeDetectorRef.detectChanges() call
- •Use setTimeout(() => { ... }) to defer the change to the next cycle
angular3 fixes
Circular dependency in DI (NG0200)
NG0200.*Circular dependency in DI detected
- •Break the cycle by injecting one service lazily with `@Inject(forwardRef(() => ServiceName))`
- •Extract shared logic into a third service that both services depend on
angular3 fixes
NullInjectorError — missing provider
NullInjectorError: No provider for (\w+)
- •Add the service to the `providers` array of the module or component that needs it
- •Use `@Injectable({ providedIn: 'root' })` on the service class for app-wide singleton