furthermore, i went to the persons wall that was causing problems, pulled out a battlement and this happens. 4 times in a row now....



LowLevelFatalError [File:C:\SVN_Ark\Engine\Source\Runtime\CoreUObject\Private\UObject\UObjectBaseUtility.cpp] [Line: 250]
IsA(NULL) cannot yield meaningful results


VERSION: 240.6
KERNELBASE.dll!UnknownFunction (0x00007ff9d6e61f28) + 0 bytes [UnknownFile:0]
ShooterGame.exe!FError::LowLevelFatal() (0x00007ff70b14d756) + 0 bytes [c:\svn_ark\engine\source\runtime\core\private\misc\outputdevice.cpp:354]
ShooterGame.exe!APrimalStructure::GetSnapToParentStructures() (0x00007ff70ab4ec90) + 176 bytes [c:\svn_ark\projects\shootergame\source\shootergame\private\primalstructure.cpp:2055]
ShooterGame.exe!APrimalStructure::GetNearbyFoundation() (0x00007ff70ab54a3c) + 67 bytes [c:\svn_ark\projects\shootergame\source\shootergame\private\primalstructure.cpp:2657]
ShooterGame.exe!APrimalStructure::IsAllowedToBuild() (0x00007ff70ab4761a) + 46 bytes [c:\svn_ark\projects\shootergame\source\shootergame\private\primalstructure.cpp:1007]
ShooterGame.exe!APrimalStructure::TickPlacingStructure() (0x00007ff70ab46492) + 186 bytes [c:\svn_ark\projects\shootergame\source\shootergame\private\primalstructure.cpp:865]
ShooterGame.exe!APrimalStructurePlacer::Tick() (0x00007ff70ab964ed) + 15 bytes [c:\svn_ark\projects\shootergame\source\shootergame\private\primalstructureplacer.cpp:51]
ShooterGame.exe!AActor::TickActor() (0x00007ff70b83430e) + 0 bytes [c:\svn_ark\engine\source\runtime\engine\private\actor.cpp:733]
ShooterGame.exe!TGraphTask<FTickTaskSequencer::FTickFunctionTask>::ExecuteTask() (0x00007ff70bbc5e9c) + 30 bytes [c:\svn_ark\engine\source\runtime\core\public\async\taskgraphinterfaces.h:665]
ShooterGame.exe!FTaskThread::ProcessTasks() (0x00007ff70b0bb626) + 0 bytes [c:\svn_ark\engine\source\runtime\core\private\async\taskgraph.cpp:338]
ShooterGame.exe!FTaskThread::ProcessTasksUntilQuit() (0x00007ff70b0bb10d) + 0 bytes [c:\svn_ark\engine\source\runtime\core\private\async\taskgraph.cpp:177]
ShooterGame.exe!FTaskGraphImplementation::WaitUntilTasksComplete() (0x00007ff70b0bc53d) + 0 bytes [c:\svn_ark\engine\source\runtime\core\private\async\taskgraph.cpp:882]
ShooterGame.exe!FTaskGraphInterface::WaitUntilTaskCompletes() (0x00007ff70b16a731) + 0 bytes [c:\svn_ark\engine\source\runtime\core\public\async\taskgraphinterfaces.h:187]
ShooterGame.exe!FTickTaskSequencer::ReleaseTickGroup() (0x00007ff70bb902c2) + 269 bytes [c:\svn_ark\engine\source\runtime\engine\private\ticktaskmanager.cpp:187]
ShooterGame.exe!FTickTaskManager::RunTickGroup() (0x00007ff70bb94c3a) + 0 bytes [c:\svn_ark\engine\source\runtime\engine\private\ticktaskmanager.cpp:851]
ShooterGame.exe!UWorld::RunTickGroup() (0x00007ff70b9eb16b) + 0 bytes [c:\svn_ark\engine\source\runtime\engine\private\leveltick.cpp:694]
ShooterGame.exe!UWorld::Tick() (0x00007ff70b9ec4ea) + 0 bytes [c:\svn_ark\engine\source\runtime\engine\private\leveltick.cpp:1185]
ShooterGame.exe!UGameEngine::Tick() (0x00007ff70b91ba5c) + 0 bytes [c:\svn_ark\engine\source\runtime\engine\private\gameengine.cpp:951]
ShooterGame.exe!FEngineLoop::Tick() (0x00007ff70a9ba509) + 0 bytes [c:\svn_ark\engine\source\runtime\launch\private\launchengineloop.cpp:2344]
ShooterGame.exe!GuardedMain() (0x00007ff70a9b4b3c) + 0 bytes [c:\svn_ark\engine\source\runtime\launch\private\launch.cpp:140]
ShooterGame.exe!GuardedMainWrapper() (0x00007ff70a9bb9ea) + 5 bytes [c:\svn_ark\engine\source\runtime\launch\private\windows\launchwindows.cpp:125]
ShooterGame.exe!WinMain() (0x00007ff70a9bbb18) + 8 bytes [c:\svn_ark\engine\source\runtime\launch\private\windows\launchwindows.cpp:209]
ShooterGame.exe!__tmainCRTStartup() (0x00007ff70ca8e101) + 21 bytes [f:\dd\vctools\crt\crtw32\dllstuff\crtexe.c:618]
KERNEL32.DLL!UnknownFunction (0x00007ff9d9118102) + 0 bytes [UnknownFile:0]
ntdll.dll!UnknownFunction (0x00007ff9da79c5b4) + 0 bytes [UnknownFile:0]
ntdll.dll!UnknownFunction (0x00007ff9da79c5b4) + 0 bytes [UnknownFile:0]

Did you fix this issue? Which map was this issue on?