> For the complete documentation index, see [llms.txt](https://mariadb.com/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mariadb.com/docs/server/reference/error-codes/mariadb-error-codes-1200-to-1299/e1224.md).

# Error 1224: Mixing of transactional and non-transactional tables is disabled

| Error Code | SQLSTATE | Error                    | Description                                                      |
| ---------- | -------- | ------------------------ | ---------------------------------------------------------------- |
| 1224       | HY000    | ER\_MIXING\_NOT\_ALLOWED | Mixing of transactional and non-transactional tables is disabled |

## Possible Causes and Solutions

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