> 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/e1231.md).

# Error 1231: Variable can't be set to the value of

| Error Code | SQLSTATE | Error                      | Description                                     |
| ---------- | -------- | -------------------------- | ----------------------------------------------- |
| 1231       | 42000    | ER\_WRONG\_VALUE\_FOR\_VAR | Variable '%s' can't be set to the value of '%s' |

## Possible Causes and Solutions

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