AB-3051 cedar_unknown_entity
| Class | Validation |
| HTTP status | 400 |
| Retryable | no |
When it happens
Policy references an entity type not in the AgentBus Cedar schema.
Hint
Unknown entity type
{type}. Allowed: Agent, Workspace, Tenant, Grant, Capability, MessageType.
Troubleshooting
Run agentbus doctor and agentbus trace <message_id>; include the trace_id when asking for support.