AB-2004 task_actor_not_allowed
| Class | Policy |
| HTTP status | 403 |
| Retryable | no |
When it happens
A task lifecycle message from an agent that is neither the task's recipient (for accept, progress, result, error) nor its requester (for cancel).
Hint
Only the task recipient may send
{type}for{task_id}.
Troubleshooting
agentbus task get {task_id} shows requester and recipient.