I was make two room for test. but get error when to dmap. there are any way to find the leak? the log as below: >> dmap twoRoom\twoRoom === DMAP: GenerateProc === 23 total world brushes 0 total world triSurfs 0 patches 3 entities 62 planes 0 areaportals size: -706, -129, -127 to 130, 385, 387 ############### entity 0 ############### --- FaceBSP: 138 faces --- 161 leafs ----- MakeTreePortals ----- ----- FilterBrushesIntoTree ----- 23 total brushes 58 cluster references --- FloodEntities --- Leak on entity #1 Entity classname was light Entity name was light_1 Entity origin is -45 52 84 104 flooded leafs entity reached from outside -- no filling ********************** ******* leaked ******* ********************** Writing leakfile to: E:/gameProgram/doom3source/TTimo-doom3.gpl-e9c4795/build/Win32/Debug/base/maps/twoRoom\twoRoom.lin