Turns out it was just the model that wasn’t, and I was creating the mods in Crafty Craft! Crafty craft is an app that allows you to make mods!
Well it was in a regular village so I dont see why there wouldnt be
Well if you walk far enough away, they do vanish, but don't despawn, like they just go out of your vision. This happens with any mob
Or pick up mined items
Zombies can spawn holding just about anything in 1.4
Here’s the keyword: RANDOMLY! It seems to crash for no apparent reason sometimes
Expected result: import the mod.
Observed result: I’m kicked out of the app, meaning a crash.