> ## Documentation Index
> Fetch the complete documentation index at: https://docs.runcomfy.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Error Codes

### 400001 InvalidResourceIdentifier

The request contains an invalid or malformed resource ID (for example, a wrong `model_id`). Use the exact identifier as shown on the model’s detail page.

<img src="https://mintcdn.com/inceptionsaiinc/1rLD4y3Ze0dSW9uc/docs-image/playground-model-id.webp?fit=max&auto=format&n=1rLD4y3Ze0dSW9uc&q=85&s=6f5362e4a114134355af90d24e1ecca8" alt="Alt RunComfy model id" width="1466" height="673" data-path="docs-image/playground-model-id.webp" />

### 403001 PermissionDeniedError

The resource exists but is not accessible to the authenticated user (e.g., the `request_id` belongs to another user). Use the owner’s credentials or obtain access, then retry.

### 404001 ResourceNotFound

The specified resource cannot be found (e.g., a nonexistent, deleted, or expired `request_id`). Confirm the identifier and that it belongs to your account before retrying.

### 400002 InsufficientResources

Your account has no remaining balance to run this operation.

### 400004 UserAccountError

Authentication or account state is invalid, missing/expired token, revoked credentials, or an inactive account. Send a valid `Authorization: Bearer <token>` and ensure the account is active.