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angular__angular/aio/content/errors/NG0301.md
Joe Martin (Crowdstaffing) 61894570f1 docs: improve markdown (#45590)
improve markdown for documentation. Duplicate of #45325 that targets 13.3.x.

PR Close #45590
2022-04-11 22:35:01 +00:00

46 lines
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Markdown

@name Export Not Found
@category runtime
@videoUrl https://www.youtube.com/embed/fUSAg4kp2WQ
@shortDescription Export not found!
@description
Angular can't find a directive with `{{ PLACEHOLDER }}` export name.
The export name is specified in the `exportAs` property of the directive decorator.
This is common when using FormsModule or Material modules in templates and you've forgotten to [import the corresponding modules](guide/sharing-ngmodules).
<div class="alert is-helpful">
This is the runtime equivalent of a common compiler error [NG8003: No directive found with export](errors/NG8003).
</div>
@debugging
Use the export name to trace the templates or modules using this export.
Ensure that all dependencies are [properly imported and declared in your NgModules](guide/sharing-ngmodules).
For example, if the export not found is `ngForm`, we need to import `FormsModule` and declare it in the list of imports in `*.module.ts` to resolve the error.
<code-example format="typescript" language="typescript">
import { FormsModule } from '&commat;angular/forms';
&commat;NgModule({
&hellip;
imports: [
FormsModule,
&hellip;
</code-example>
If you recently added an import, you may need to restart your server to see these changes.
<!-- links -->
<!-- external links -->
<!-- end links -->
@reviewed 2022-02-28