Editor Crash after I press stop play

I upgraded unreal to 4.17.1 and every time I stop playing the game in the editor, the editor crash…

Project is here : https://github.com/AntoineLevesque/UdemyBattleTanks

Here is the log :

[2017.08.20-00.11.53:018][317]LogBlueprintUserMessages: Early EndPlayMap Detection: Level ‘/Game/Levels/BattleGround.BattleGround:PersistentLevel’ has LevelScriptBlueprint ‘/Game/Levels/BattleGround.BattleGround:PersistentLevel.BattleGround’ with GeneratedClass ‘/Game/Levels/BattleGround.BattleGround_C’ with ClassGeneratedBy ‘/Game/Levels/BattleGround.BattleGround:PersistentLevel.BattleGround’
[2017.08.20-00.11.53:482][317]LogWindows: Error: === Critical error: ===
[2017.08.20-00.11.53:482][317]LogWindows: Error:
[2017.08.20-00.11.53:482][317]LogWindows: Error: Fatal error!
[2017.08.20-00.11.53:482][317]LogWindows: Error:
[2017.08.20-00.11.53:482][317]LogWindows: Error: Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0x000000a1
[2017.08.20-00.11.53:482][317]LogWindows: Error:
[2017.08.20-00.11.53:482][317]LogWindows: Error: UE4Editor-Engine.dll!0x00000000DC631F5F
[2017.08.20-00.11.53:482][317]LogWindows: Error: UE4Editor-Engine.dll!0x00000000DC5B870F
[2017.08.20-00.11.53:482][317]LogWindows: Error: UE4Editor-Engine.dll!0x00000000DC5CA0A4
[2017.08.20-00.11.53:482][317]LogWindows: Error: UE4Editor-Engine.dll!0x00000000DC5F7C1E
[2017.08.20-00.11.53:483][317]LogWindows: Error: UE4Editor-Engine.dll!0x00000000DC5F79E4
[2017.08.20-00.11.53:483][317]LogWindows: Error: UE4Editor-Engine.dll!0x00000000DC5B6CBE
[2017.08.20-00.11.53:483][317]LogWindows: Error: UE4Editor-Engine.dll!0x00000000DC5CA0A4
[2017.08.20-00.11.53:483][317]LogWindows: Error: UE4Editor-Engine.dll!0x00000000DC5F51D5
[2017.08.20-00.11.53:483][317]LogWindows: Error: UE4Editor-Engine.dll!0x00000000DC6B006C
[2017.08.20-00.11.53:483][317]LogWindows: Error: UE4Editor-Engine.dll!0x00000000DBE97B46
[2017.08.20-00.11.53:483][317]LogWindows: Error: UE4Editor-Engine.dll!0x00000000DBEFE54E
[2017.08.20-00.11.53:483][317]LogWindows: Error: UE4Editor-Engine.dll!0x00000000DBDA918F
[2017.08.20-00.11.53:483][317]LogWindows: Error: UE4Editor-Engine.dll!0x00000000DBDAEA19
[2017.08.20-00.11.53:484][317]LogWindows: Error: UE4Editor-Engine.dll!0x00000000DBDF6A63
[2017.08.20-00.11.53:484][317]LogWindows: Error: UE4Editor-Engine.dll!0x00000000DB9DFAE5
[2017.08.20-00.11.53:484][317]LogWindows: Error: UE4Editor-Engine.dll!0x00000000DC20B566
[2017.08.20-00.11.53:484][317]LogWindows: Error: UE4Editor-Engine.dll!0x00000000DCB3894B
[2017.08.20-00.11.53:484][317]LogWindows: Error: UE4Editor-Engine.dll!0x00000000DCB383E5
[2017.08.20-00.11.53:484][317]LogWindows: Error: UE4Editor-UnrealEd.dll!0x00000000D995225C
[2017.08.20-00.11.53:484][317]LogWindows: Error: UE4Editor-UnrealEd.dll!0x00000000D991035A
[2017.08.20-00.11.53:484][317]LogWindows: Error: UE4Editor-UnrealEd.dll!0x00000000D93BD5F8
[2017.08.20-00.11.53:484][317]LogWindows: Error: UE4Editor-UnrealEd.dll!0x00000000D9C4CEE6
[2017.08.20-00.11.53:485][317]LogWindows: Error: UE4Editor.exe!0x00000000714E534A
[2017.08.20-00.11.53:485][317]LogWindows: Error: UE4Editor.exe!0x00000000714F3970
[2017.08.20-00.11.53:485][317]LogWindows: Error: UE4Editor.exe!0x00000000714F39EA
[2017.08.20-00.11.53:485][317]LogWindows: Error: UE4Editor.exe!0x00000000715002D9
[2017.08.20-00.11.53:485][317]LogWindows: Error: UE4Editor.exe!0x0000000071501C47
[2017.08.20-00.11.53:485][317]LogWindows: Error: KERNEL32.DLL!0x0000000026D98364
[2017.08.20-00.11.53:485][317]LogWindows: Error: ntdll.dll!0x00000000293B7091
[2017.08.20-00.11.53:485][317]LogWindows: Error: ntdll.dll!0x00000000293B7091
[2017.08.20-00.11.53:485][317]LogWindows: Error:
[2017.08.20-00.11.53:500][317]LogExit: Executing StaticShutdownAfterError
[2017.08.20-00.11.53:504][317]LogWindows: FPlatformMisc::RequestExit(1)
[2017.08.20-00.11.53:504][317]Log file closed, 08/19/17 20:11:53