Updating your revision wont get rid of anything as long as you make the changes needed to make your database compliant..
Ok.. well In navicat your going to click the table you want to edit which is Creature_spawns
Then near the top of the screen youll see Design TABLE tab..its underneath stored procedures.
Then when you have clicked design table you will see the fields listed in that table for Creature_spawns..
Scroll down til you see Bytes1..
highlight it and right click select delete field..
Accept...
Close saving changes..
Then try to restart server .. Let me know how you make out