Please note that we've updated the Mount & Blade II: Bannerlord save file system which requires you to take certain steps in order for your save files to be compatible with e1.7.1 and any later updates. You can find the instructions here.
Team damage makes clutching a better experience. When the friendly fire is on like in Warband walking through enemies letting them hit each other was a viable tactic. Now it seems everybody can start cutting around without actual fear of damaging a friendly!