> 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/e4196.md).

# Error 4196: Pseudo thread id should not be modified by the client as it will be overwritten

| Error Code | SQLSTATE | Error                             | Description                                                                      |
| ---------- | -------- | --------------------------------- | -------------------------------------------------------------------------------- |
| 4196       |          | ER\_PSEUDO\_THREAD\_ID\_OVERWRITE | Pseudo thread id should not be modified by the client as it will be overwritten. |

## Possible Causes and Solutions

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