> For the complete documentation index, see [llms.txt](https://docs.facefusion.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.facefusion.io/knowledgebase/error-codes.md).

# Error Codes

| Error Code | Description      |
| ---------- | ---------------- |
| 0          | Graceful exit    |
| 1          | Fatal exit       |
| 2          | Check failed     |
| 3          | Content declined |
| 4          | Process stopped  |