Angular NG0201: NullInjectorError No Provider for HttpClient — Fix
NullInjectorError: No provider for HttpClient! (NG0201) means Angular's injector can't find a registered provider. Here's the exact fix for standalone apps, NgModules, and tests.
standalone-components
2 PostsAngular NG0203: Fix inject() Injection Context Errors
NG0203: inject() must be called from an injection context stops your app cold. Here's exactly why it happens and the three real fixes.