Error
Error Code:
1231
MySQL Error 1231: Invalid Variable Value Assignment
Description
This error indicates that you attempted to assign an invalid value to a MySQL system or user-defined variable. It occurs when the provided value does not match the variable's expected data type, allowed range, or format, preventing the variable from being set correctly.
Error Message
Variable '%s' can't be set to the value of '%s'
Known Causes
3 known causesIncorrect Data Type
Attempting to assign a value with a data type that is incompatible with the variable's expected type (e.g., setting a numeric variable to a string).
Value Out of Range
Providing a numerical value that exceeds the defined upper or lower limits for the specific system variable.
Invalid Format or Syntax
The assigned value does not conform to the required format or syntax for the variable (e.g., incorrect date format, invalid character set name).
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