Destructible mesh fractures only once

iv come to the conclusion that the DM are currently broken, i opened an example level from another creator, created a DM shot it and it did exactly what i want it to do, i edited the players camera to where i want it , changed the movement controls and guess what the DM takes one hit and is done and so i have 5 days left for my project im just gonna make a simple drag and drop puzzle hopefully who know what UE4 has in store for me