MySQL error code
MySQL error 3921
MySQL server error 3921 is ER_CHANGE_SOURCE_WRONG_COMPRESSION_LEVEL_CLIENT, reported with SQLSTATE HY000.
Invalid SOURCE_ZSTD_COMPRESSION_LEVEL %u for channel '%s'.
| Error | 3921 |
|---|---|
| Name | ER_CHANGE_SOURCE_WRONG_COMPRESSION_LEVEL_CLIENT |
| SQLSTATE | HY000 |
| Group | Server errors |
Source: MySQL 8.4 Error Reference