> 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/e1247.md).

# Error 1247: Reference not supported

| Error Code | SQLSTATE | Error                  | Description                       |
| ---------- | -------- | ---------------------- | --------------------------------- |
| 1247       | 42S22    | ER\_ILLEGAL\_REFERENCE | Reference '%s' not supported (%s) |

## Possible Causes and Solutions

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