> 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/e4021.md).

# Error 4021: Numeric datatype is required for RANGE-type frame

| Error Code | SQLSTATE | Error                              | Description                                       |
| ---------- | -------- | ---------------------------------- | ------------------------------------------------- |
| 4021       |          | ER\_WRONG\_TYPE\_FOR\_RANGE\_FRAME | Numeric datatype is required for RANGE-type frame |

## Possible Causes and Solutions

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