> 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-4000-to-4099/e4063.md).

# Error 4063: Unsupported collation on string indexed column

| Error Code | SQLSTATE | Error                      | Description                                                                     |
| ---------- | -------- | -------------------------- | ------------------------------------------------------------------------------- |
| 4063       |          | ER\_UNSUPPORTED\_COLLATION | Unsupported collation on string indexed column %s.%s Use binary collation (%s). |

## Possible Causes and Solutions

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