Error
Error Code:
3995
MySQL Error 3995: Character Set Mismatch in Function Call
Description
This error indicates that an operation, typically within a function or expression, involves two or more strings or columns with incompatible character sets or collations. MySQL cannot reconcile these differences to perform the requested action, leading to a failure.
Error Message
Character set '%s' cannot be used in conjunction with '%s' in call to %s.
Known Causes
3 known causesIncompatible Column Character Sets
Attempting to combine or compare data from columns that are defined with different and incompatible character sets or collations.
Function Argument Character Set Mismatch
Providing arguments to a built-in or user-defined function where the character sets or collations of the input values are not compatible.
Client Connection Character Set Discrepancy
The character set used by the client application for its connection does not align with the character set of the data in the database, causing conflicts during operations.
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