> 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/e4066.md).

# Error 4066: TTL duration in MyRocks must be an unsigned non-null 64-bit integer

| Error Code | SQLSTATE | Error                          | Description                                                               |
| ---------- | -------- | ------------------------------ | ------------------------------------------------------------------------- |
| 4066       |          | ER\_RDB\_TTL\_DURATION\_FORMAT | TTL duration (%s) in MyRocks must be an unsigned non-null 64-bit integer. |

## Possible Causes and Solutions

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