Create character and care for urneal?

hello guys , sorry the English mistakes I’m using google translator , then guys I created my character in zbrush , I retopologia with zremesh and left with 100k poly until then ok , passing couple to approach phase which is when I try to rigging and import into the unreal as a character I’m having trouble , the principle can not create a rigging for him when I made hats in 3ds max and imported ( FBX ) a message told me that the unreal not accept a hierarchy of bones, and when I tried to do for maya 's character is hard and does not move, someone help me? I am caught in this part …
as you make your characters? this need urgent help

UE4 /

maya /