Error
Error Code:
3930
MySQL Error 3930: Invalid Key for Function
Description
This error indicates that a user-defined function (UDF) or a keyring operation attempted to use a cryptographic key that is either malformed, expired, or does not exist. It typically occurs when MySQL tries to perform an operation requiring a valid key from a keyring component, but the provided key identifier or the key itself is problematic.
Error Message
Function '%s' failed because key is invalid.
Known Causes
3 known causesIncorrect Key Identifier
The key name or identifier provided to the function does not correspond to any valid key currently registered in the MySQL keyring.
Malformed Key Data
The cryptographic key's content is corrupted, improperly formatted, or does not meet the structural requirements for its intended use.
Key Not Registered
The function attempted to utilize a key that was never properly loaded, imported, or registered within the MySQL server's keyring component.
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