What does the console say?
TypeLoadException: Could not load type 'MyBlockInfo' from assembly 'Assembly-UnityScript, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null'.
TypeLoadException: Could not load type 'MyBlockInfo' from assembly 'Assembly-UnityScript, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null'.
MissingFieldException: Field '.MachineObjectTracker.AllPrefaps' not found.
ArgumentException: No such keybinding: Watchlist
And it constantly spams that into the console. Should i reinstlall besiege and all the mods maybe?