Binding groom hair in a custom metahuman head

Hi, i exported a metahuman head in to blender and i did a custom metahead and now my new head is bald, i try to create a new groom binding with the original hair but the hair just dissapear and i dont know what is going on, i think the problem is in the LODs but i dont know :< , head fit nice in the body and i can move the character, but without hair.

Sorry for my english ._ .

Hi, I have the exact same problem, I bring a modified head to my project but can’t make the binding of the hair work. I tried setting the original head as sourse and the new one as target, but the hair just stay in place.

Did you find any solution?