> 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-4100-to-4199/e4174.md).

# Error 4174: A primary key cannot be marked as IGNORE

| Error Code | SQLSTATE | Error                            | Description                              |
| ---------- | -------- | -------------------------------- | ---------------------------------------- |
| 4174       |          | ER\_PK\_INDEX\_CANT\_BE\_IGNORED | A primary key cannot be marked as IGNORE |

## Possible Causes and Solutions

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