Error
Error Code:
1128
MySQL Error 1128: Function Not Defined
Description
This error indicates that MySQL cannot find or recognize a function referenced in your SQL query. It typically occurs when the function either does not exist, is misspelled, or is not accessible within the current database context.
Error Message
Function '%s' is not defined
Known Causes
3 known causesMisspelled Function Name
The function name used in the SQL query does not match an existing function due to a typo, incorrect casing, or an alias not being recognized.
Function Not Registered
The custom or built-in function has not been properly created, installed, or loaded into the MySQL server instance.
Incorrect Database Context
The function might exist but is defined in a different database or schema than the one currently being used or referenced in the query.
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