Having this error when I launch game. Fix?

LogPlayLevel: Error: [2019.06.10-06.12.39:748][ 0]LogWindows: Error: begin: stack for UAT LogPlayLevel: Error: [2019.06.10-06.12.39:748][ 0]LogWindows: Error: === Critical error: === LogPlayLevel: Error: [2019.06.10-06.12.39:748][ 0]LogWindows: Error: LogPlayLevel: Error: [2019.06.10-06.12.39:748][ 0]LogWindows: Error: Fatal error: [File:D:\Build++UE4\Sync\Engine\Source\Runtime\CoreUObject\Private\Serialization\AsyncLoading.cpp] [Line: 1407] LogPlayLevel: Error: [2019.06.10-06.12.39:748][ 0]LogWindows: Error: Async loading event graph contained a cycle, see above. LogPlayLevel: Error: [2019.06.10-06.12.39:748][ 0]LogWindows: Error: LogPlayLevel: Error: [2019.06.10-06.12.39:748][ 0]LogWindows: Error: LogPlayLevel: Error: [2019.06.10-06.12.39:748][ 0]LogWindows: Error: [Callstack] 0x00007ffa1b07a388 KERNELBASE.dll!UnknownFunction [] LogPlayLevel: Error: [2019.06.10-06.12.39:748][ 0]LogWindows: Error: [Callstack] 0x00007ff72f538696 UE4Game.exe!FWindowsErrorOutputDevice::Serialize() [] LogPlayLevel: Error: [2019.06.10-06.12.39:748][ 0]LogWindows: Error: [Callstack] 0x00007ff72f332327 UE4Game.exe!FOutputDevice::LogfImpl() [] LogPlayLevel: Error: [2019.06.10-06.12.39:748][ 0]LogWindows: Error: [Callstack] 0x00007ff72f26e738 UE4Game.exe!FDebug::AssertFailed() [] LogPlayLevel: Error: [2019.06.10-06.12.39:748][ 0]LogWindows: Error: [Callstack] 0x00007ff72f5aabe0 UE4Game.exe!FEventLoadGraph::CheckForCycles() [] LogPlayLevel: Error: [2019.06.10-06.12.39:748][ 0]LogWindows: Error: [Callstack] 0x00007ff72f5a97cd UE4Game.exe!FAsyncLoadingThread::CheckForCycles() [] LogPlayLevel: Error: [2019.06.10-06.12.39:748][ 0]LogWindows: Error: [Callstack] 0x00007ff72f616f94 UE4Game.exe!FAsyncLoadingThread::TickAsyncLoading() [] LogPlayLevel: Error: [2019.06.10-06.12.39:748][ 0]LogWindows: Error: [Callstack] 0x00007ff72f5d3195 UE4Game.exe!FlushAsyncLoading() [] LogPlayLevel: Error: [2019.06.10-06.12.39:748][ 0]LogWindows: Error: [Callstack] 0x00007ff72f875715 UE4Game.exe!LoadPackageInternal(

Anyone know how to fix this?

I have the same error after nativisation