Error
Error Code:
42P05
PostgreSQL Error 42P05: Duplicate Prepared Statement Name
Description
This error occurs when you attempt to create a prepared statement using the `PREPARE` command with a name that is already in use by another prepared statement within the current database session. It signifies that the database cannot define a new statement because an existing one with the same identifier is active.
Error Message
duplicate prepared statement
Known Causes
3 known causesAttempting to Reuse a Name
You've executed a `PREPARE` command with a statement name that is already assigned to an existing prepared statement in the current session.
Missing DEALLOCATE Command
A prepared statement was not explicitly deallocated using `DEALLOCATE` before attempting to create a new one with the same name.
Application Logic Error
A bug in your application or script repeatedly tries to define a prepared statement with the same name without proper lifecycle management.
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