Need help with export

[BasteGK]

i have make a voxelazition of a obj and than to meshes with atlas. than i habe export this as OBJ and Ptifine entitiy, the properties i have set to entity but mcreator say its need a other verrsion and i have to change the version of the model to the mod version of minecraft? i dont understand this please help:=) and optifine models works not too, i get the scrips but it doesent work....