I found the issue, in AnimBP - Event Graph there was a Cast_to_BP_Main_Character that was still referencing it to the main character, i replaced it with a referace to the second character and the IK Rig has correct foot placement
I found the issue, in AnimBP - Event Graph there was a Cast_to_BP_Main_Character that was still referencing it to the main character, i replaced it with a referace to the second character and the IK Rig has correct foot placement