coop bug

Hi i want to ask a guidance, i installed smapi and when im about to go co-op with friend it wont let me enter, it says no cabin. but when i use the base game (without smapi) it work just fine. I also got this msg, and i dont know what happen... can someone please help me??? thank you

We are two players with two xbox controllers on Xbox pass in windows. My controller will affect the first player's actions when I press on Pause, or RT hard enough. Also, when he presses RT hard enough, he will have actions associated with "x". This same thing happens when I press RT hard...