Error
Error Code:
1421
MariaDB Error 1421: Cursor Not Open Error
Description
Error 1421 in MariaDB indicates that an attempt was made to fetch data from a cursor that is not currently open. This usually occurs within stored procedures or when working with prepared statements and trying to retrieve results from a cursor that has either not been explicitly opened or has already been closed.
Error Message
The statement (%lu) has no open cursor.
Known Causes
3 known causesCursor Not Explicitly Opened
The most common cause is attempting to FETCH from a cursor without first executing the OPEN statement for that cursor.
Cursor Closed Prematurely
The cursor was closed before all data was fetched, or it was implicitly closed due to scope termination, and a subsequent FETCH was attempted.
Invalid Statement Handle
The provided statement identifier (%lu) does not refer to a valid and open cursor, possibly due to a programming error or a race condition.
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