cape clothing simulation is not colliding with the actor's






can anybody help me with this?
the physic is not working with the cape clothing simulation
nomatter how much i adjust the capsule
i even used blender to reset and apply the scale
but no changes
althought, whenever i create a control rig for bone, the control does came out big
but i checked back in blender, its about the same size as the unreal mannequin
ive been stuck for days now on this one
can anyone please help me out >,<