Error
Error Code:
3976
MySQL Error 3976: Invalid Variable Assignment
Description
This error indicates that an attempt was made to assign an invalid or incompatible value to a MySQL system or session variable. It typically occurs when the provided value does not match the variable's expected data type, range, or format, preventing the variable from being set successfully.
Error Message
Variable '%s' cannot be set to the value of '%s'. %s
Known Causes
4 known causesIncorrect Data Type
The value provided for the variable does not match its expected data type (e.g., assigning a string to an integer variable).
Value Out of Range
The assigned value falls outside the permissible minimum or maximum range for the specific system variable.
Invalid Format or Syntax
The variable's value is provided in an incorrect format or uses syntax that MySQL does not recognize for that variable.
Attempt to Modify Read-Only Variable
An attempt was made to modify a system variable that is designated as read-only and cannot be changed by the user.
Solutions
Coming SoonDetailed step-by-step solutions for this error are being prepared. In the meantime, try these general troubleshooting tips:
General 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