> 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-4200-to-4299/e4270.md).

# Error 4270: Failed to match the stats from replay context with the optimizer stats: %s doesn't exist in %s

| Error Code | SQLSTATE | Error                                               | Description                                                                                    |
| ---------- | -------- | --------------------------------------------------- | ---------------------------------------------------------------------------------------------- |
| 4270       | HY000    | ER\_JSON\_OPTIMIZER\_REPLAY\_CONTEXT\_MATCH\_FAILED | Failed to match the stats from replay context with the optimizer stats: %s doesn't exist in %s |

## Possible Causes and Solutions

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