> 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/e1263.md).

# Error 1263: Column set to default value; NULL supplied to NOT NULL columnError 1263: Column set to d

| Error Code | SQLSTATE | Error                       | Description                                                                   |
| ---------- | -------- | --------------------------- | ----------------------------------------------------------------------------- |
| 1263       | 22004    | ER\_WARN\_NULL\_TO\_NOTNULL | Column set to default value; NULL supplied to NOT NULL column '%s' at row %ld |

## Possible Causes and Solutions

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