Have a BP that launches a mesh and it destroys when impacting. It seems to work erratically and is now crashing UE4 with the following error after a few shots.
!Id:1c22db6bfa4ca309dfc6f2fc498f7ece
Unknown exception - code 00000001 (first/second chance not available)
Assertion failed: MyComp [File:D:\BuildFarm\buildmachine_++depot+UE4-Releases+4.4\Engine\Source\Runtime\Engine\Private\Actor.cpp] [Line: 1785]
KERNELBASE + 37901 bytes
UE4Editor_Core + 3095148 bytes
UE4Editor_Core + 1661722 bytes
UE4Editor_Core + 1541808 bytes
UE4Editor_Engine + 1552358 bytes
UE4Editor_Engine + 5969741 bytes
UE4Editor_Engine + 6380871 bytes
UE4Editor_Engine + 6259366 bytes
UE4Editor_Engine + 2220238 bytes
UE4Editor_Engine + 2311546 bytes
UE4Editor_Engine + 1531623 bytes
UE4Editor_Engine + 1588399 bytes
UE4Editor_Engine + 8419206 bytes
UE4Editor_Engine + 8470877 bytes
UE4Editor_Core + 749554 bytes
UE4Editor_Core + 749949 bytes
UE4Editor_Core + 870517 bytes
UE4Editor_Engine + 8588455 bytes
UE4Editor_Engine + 8597799 bytes
UE4Editor_Engine + 5363286 bytes
UE4Editor_Engine + 5390742 bytes
UE4Editor_UnrealEd + 1814406 bytes
UE4Editor_UnrealEd + 5925286 bytes
UE4Editor!FEngineLoop::Tick() + 3294 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.4\engine\source\runtime\launch\private\launchengineloop.cpp:2098]
UE4Editor!GuardedMain() + 476 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.4\engine\source\runtime\launch\private\launch.cpp:133]
UE4Editor!GuardedMainWrapper() + 26 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.4\engine\source\runtime\launch\private\windows\launchwindows.cpp:125]
UE4Editor!WinMain() + 249 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.4\engine\source\runtime\launch\private\windows\launchwindows.cpp:201]
UE4Editor!__tmainCRTStartup() + 329 bytes [f:\dd\vctools\crt\crtw32\dllstuff\crtexe.c:618]