It has something to do with the masterpose, if i disable it the foot ik works.
Solution:
So if someone has the same problem the issue for me was using the metahuman body retargeted to the unreal skeleton, if you open up that sk you will see it has no feet, so if you assing it as you leader in master pose the basic ik will not be able to update the ik bones for it since it does not have the ik reference even if you retargeted the solution was this: