Error
Error Code:
3945
MySQL Error 3945: Invalid REQUIRE_ROW_FORMAT Value
Description
This error indicates that an attempt was made to configure the MySQL server's `REQUIRE_ROW_FORMAT` system variable with an unsupported value. This variable is crucial for replication settings, ensuring that either row-based (value 1) or mixed/statement-based (value 0) replication formats are permitted. It typically occurs during server startup, configuration changes, or when setting session variables.
Error Message
The requested value %s is invalid for REQUIRE_ROW_FORMAT, must be either 0 or 1.
Known Causes
3 known causesMisconfigured Server Option
The `REQUIRE_ROW_FORMAT` option in the MySQL configuration file (`my.cnf` or `my.ini`) is set to a value other than 0 or 1.
Invalid Runtime Command
An SQL command attempting to set `REQUIRE_ROW_FORMAT` globally or for a session provided an invalid integer (not 0 or 1).
Typographical Error
A manual entry for `REQUIRE_ROW_FORMAT` in a configuration file or command line contains a typo, leading to an invalid value.
Solutions
Coming SoonGeneral Troubleshooting Tips
- Check the error message carefully for specific details
- Review recent changes that might have caused the error
- Search for the exact error code in the official documentation
- Check log files for additional context
- Try restarting the application or service