Open level crash

Hi, My game crashes randomly when loading a level. Game has 3 levels in total. Menu, Level 1 and Level 2. It works like Menu->Level1->Level2->Level1->Level2-> Goes on

Please help.

[2019.05.08-04.59.24:770][438]LogStreaming: Display: Flushing async loaders.
[2019.05.08-04.59.28:842][438]LogWindows: Error: === Critical error: ===
[2019.05.08-04.59.28:842][438]LogWindows: Error: 
[2019.05.08-04.59.28:842][438]LogWindows: Error: Fatal error!
[2019.05.08-04.59.28:842][438]LogWindows: Error: 
[2019.05.08-04.59.28:842][438]LogWindows: Error: Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0x96110000
[2019.05.08-04.59.28:842][438]LogWindows: Error: 
[2019.05.08-04.59.28:842][438]LogWindows: Error: [Callstack] 0x00007ff77bd9de70 UnknownFunction []
[2019.05.08-04.59.28:842][438]LogWindows: Error: [Callstack] 0x0000000000000005 UnknownFunction []
[2019.05.08-04.59.28:842][438]LogWindows: Error: 
[2019.05.08-04.59.28:853][438]LogExit: Executing StaticShutdownAfterError
[2019.05.08-04.59.28:900][438]LogWindows: FPlatformMisc::RequestExit(1)
[2019.05.08-04.59.28:909][438]Log file closed, 05/08/19 10:29:28