Ok so basically i killed mobs and everything was working as normal but after i kill 5 mobs and get their morphs (the first line of mobs) the sixth one NOT WANT TO APPEAR i don't know why this happen i have no idea, but this basically make me stuck to the first mobs i killed in the game, i find it weird since the mobs i killed after the 5 mobs does appear on the morphs editor (in this case the skeleton being the sixth morph) things to note i am NOT playing on multiplayer with other people i am playing on a singleplayer local world.