Error
Error Code:
3994
MySQL Error 3994: Invalid Parameter Use
Description
Error 3994 indicates that a SQL statement, function, or stored procedure was invoked with parameters that are either syntactically incorrect, of the wrong data type, or used in an inappropriate context. This typically occurs when the arguments provided do not match the expected signature or requirements of the SQL construct being called, leading to a server-side execution failure.
Error Message
Invalid use of parameters in '%s'
Known Causes
4 known causesMismatched Argument Count
The number of parameters supplied to a function or procedure does not match the number of parameters it expects.
Wrong Data Type
A parameter was provided with a data type that is incompatible with the expected type for that argument (e.g., passing a string where an integer is required).
Invalid Parameter Value
The value provided for a parameter is outside the permissible range or format required by the function or statement (e.g., negative value for an unsigned integer).
Incorrect Parameter Context
A parameter was used in a context where it is not valid, such as passing an expression where a literal is required, or vice-versa.
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