AB-3000 invalid_argument
| Class | Validation |
| HTTP status | 400 |
| Retryable | no |
When it happens
A CLI or API argument is malformed (bad address, unknown type, invalid flag combination) before any envelope is built
Hint
Check the argument format;
agentbus <command> --helpshows the accepted shapes.
Troubleshooting
Fix the argument; no gateway state was changed.