Error
Error Code:
1758
MySQL Error 1758: Invalid Condition Reference
Description
This error occurs in MySQL stored programs (procedures, functions, triggers) when an attempt is made to declare or reference a condition using an invalid identifier or an undeclared condition. It indicates a problem with how SQLSTATE values or MySQL error codes are managed within `DECLARE CONDITION` or `DECLARE HANDLER` statements.
Error Message
Invalid condition number
Known Causes
3 known causesUndeclared Condition
Attempting to reference a condition in a `DECLARE HANDLER`, `SIGNAL`, or `RESIGNAL` statement that has not been previously defined using `DECLARE CONDITION`.
Incorrect Condition Syntax
Providing an invalid SQLSTATE string or MySQL error code number, or using incorrect syntax when defining a condition with `DECLARE CONDITION`.
Condition Scope Mismatch
Referencing a condition outside of its declared scope, or attempting to redefine an already declared condition within the same scope.
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