debug:angular

This guide provides a systematic approach to debugging Angular applications, covering common error patterns, debugging tools, and structured resolution phases.

| NG0100 | Expression changed after checked | Use detectChanges() or setTimeout | | NG0200 | Circular dependency in DI | Refactor service dependencies | | NG0201 | No provider for service | Add to providers array or use providedIn | | NG0300 | Multiple components match selector | Make selectors more specific |

| NG0301 | Export not found | Check export name in directive/component | | NG0302 | Pipe not found | Import module containing pipe | | NG0303 | No matching element | Check selector syntax | | NG0500 | Hydration mismatch (SSR) | Ensure server/client render same content | | NG0910 | Unsafe binding | Sanitize or use bypassSecurityTrust |