Hello, thank you for the feedback! And indeed, the game has a bunch of bugs because of the very rushed development, i have not seen yet this specific bug with not being able to possess, the only thing i can think of is that you cant possess while possessing someone, for that you have to unpossess the actual body first and then posses another, the controls can be a little bit confusing sometimes, but we will definitely try to make the game run smoother after the jam.
And thank you again for the comment!