Error
Error Code:
90
MySQL Error 90: Unknown LDML Locale Tag
Description
This error indicates that MySQL encountered a Locale Data Markup Language (LDML) tag it does not recognize or support. It typically occurs when an application or a server configuration specifies an invalid or malformed locale identifier during operations that rely on locale-specific information.
Error Message
Unknown LDML tag: '%.*s'.
Known Causes
3 known causesInvalid Locale Tag Specified
An application or user-defined query is attempting to use a locale tag that is either malformed or not recognized by the MySQL server.
Misconfigured Server Locale Settings
The MySQL server's configuration (e.g., `my.cnf` or `my.ini`) contains an unsupported or incorrect LDML locale identifier for settings like `lc_messages` or `lc_time_names`.
Application Sending Malformed Locale Data
The client application connecting to MySQL is providing a locale string or parameter that does not conform to expected LDML standards.
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