Animate box wont work

Status
Works as designed
Issue description

i made a custom mob model in techne and when i add in the mob and the box to animate parts shows up i fill out all the correct parts i want to animate but when im in the test enviroment it has no moving limbs and no moving head wich is really important for this mob is there and way to fix this and animate it

Issue comments

Could you please attach the mob model .java file and steps you have taken to make it animated, so I can try to reproduce the settings you made? Thanks!