Ragdolls detaching from the collision capsule is normal behavior. This is because the capsule is for world collision of your character movement and will not collide with your physics simulating character. If it did, you’d see your ragdoll fly into the stratosphere the second you enable collision because it would be inside the capsule. If you want your character to be able to stand up again after going into ragdoll, you’d have to reposition the capsule in the place where the mesh is and then stop simulating physics and re-attach it to the collision capsule.