Physics objects are falling through landscape

OMG Thanks So Much, Its Actually Ticking The Use CCD (Continues Collision Detection) BRU! Otherwise My Bullet Shells Were Just Traveling Through The Map, What An Annoyance, Seriously, Wasted Almost An Entire Day To Figure Something So Simple Out, Why Doesn’t UE Just Have CCD Ticked Normally And ONLY Allow Us To Untick it When We Need To, BRU