When I run TACTIC, I get an error such as “Table A does not have column X”. How do I fix this? Log in or register to post comments Answers This is most likely due to This is most likely due to having an older version of the database running on a new version of TACTIC. This can usually be fixed by upgrading the database. With TACTIC Team, this is done automatically every time TACTIC is restarted. However, you can do it manually by navigating to: C:/Program Files (x86)/TACTIC 3.8/ and double clicking on “upgrade_db.bat”. This will upgrade the database to the appropriate version and the error should not appear again.