Crashing when load my mod

I have been doing my mod for a month and today when I opened Ark Dev kit and tried to upload my map I get this error. Any idea?

Fatal error!

Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0x00000008

VERSION: 0.0
UE4Editor-CoreUObject.dll!UnknownFunction (0x00007ffe08cd9baf) + 0 bytes [UnknownFile:0]
UE4Editor-Engine.dll!UnknownFunction (0x00007ffdf46c40ac) + 0 bytes [UnknownFile:0]
UE4Editor-CoreUObject.dll!UnknownFunction (0x00007ffe08cd9d2e) + 0 bytes [UnknownFile:0]
UE4Editor-CoreUObject.dll!UnknownFunction (0x00007ffe08d44b16) + 0 bytes [UnknownFile:0]
UE4Editor-CoreUObject.dll!UnknownFunction (0x00007ffe08d4fc6d) + 0 bytes [UnknownFile:0]
UE4Editor-CoreUObject.dll!UnknownFunction (0x00007ffe08d57a5b) + 0 bytes [UnknownFile:0]
UE4Editor-CoreUObject.dll!UnknownFunction (0x00007ffe08d5d0f4) + 0 bytes [UnknownFile:0]
UE4Editor-ContentBrowser.dll!UnknownFunction (0x00007ffde9df4c17) + 0 bytes [UnknownFile:0]
UE4Editor-ContentBrowser.dll!UnknownFunction (0x00007ffde9e4c212) + 0 bytes [UnknownFile:0]
UE4Editor-ContentBrowser.dll!UnknownFunction (0x00007ffde9dd7b73) + 0 bytes [UnknownFile:0]
UE4Editor-ContentBrowser.dll!UnknownFunction (0x00007ffde9de1788) + 0 bytes [UnknownFile:0]
UE4Editor-ContentBrowser.dll!UnknownFunction (0x00007ffde9e587a4) + 0 bytes [UnknownFile:0]
UE4Editor-ContentBrowser.dll!UnknownFunction (0x00007ffde9dd0c36) + 0 bytes [UnknownFile:0]
UE4Editor-ContentBrowser.dll!UnknownFunction (0x00007ffde9ddf7eb) + 0 bytes [UnknownFile:0]
UE4Editor-ContentBrowser.dll!UnknownFunction (0x00007ffde9ddced6) + 0 bytes [UnknownFile:0]
UE4Editor-ContentBrowser.dll!UnknownFunction (0x00007ffde9e6d65f) + 0 bytes [UnknownFile:0]
UE4Editor-ContentBrowser.dll!UnknownFunction (0x00007ffde9e589ef) + 0 bytes [UnknownFile:0]
UE4Editor-Slate.dll!UnknownFunction (0x00007ffe0887ec65) + 0 bytes [UnknownFile:0]
UE4Editor-Slate.dll!UnknownFunction (0x00007ffe0886abc0) + 0 bytes [UnknownFile:0]
UE4Editor-Core.dll!UnknownFunction (0x00007ffe07385918) + 0 bytes [UnknownFile:0]
UE4Editor-Core.dll!UnknownFunction (0x00007ffe07363d7b) + 0 bytes [UnknownFile:0]
UE4Editor-Core.dll!UnknownFunction (0x00007ffe07386c39) + 0 bytes [UnknownFile:0]
UE4Editor-Core.dll!UnknownFunction (0x00007ffe0735db22) + 0 bytes [UnknownFile:0]
USER32.dll!UnknownFunction (0x00007ffe3fafbc50) + 0 bytes [UnknownFile:0]
USER32.dll!UnknownFunction (0x00007ffe3fafb5cf) + 0 bytes [UnknownFile:0]
UE4Editor-Core.dll!UnknownFunction (0x00007ffe07387996) + 0 bytes [UnknownFile:0]
UE4Editor.exe!UnknownFunction (0x00007ff767a0a9e3) + 0 bytes [UnknownFile:0]
UE4Editor.exe!UnknownFunction (0x00007ff7679ffa5f) + 0 bytes [UnknownFile:0]
UE4Editor.exe!UnknownFunction (0x00007ff7679ffaca) + 0 bytes [UnknownFile:0]
UE4Editor.exe!UnknownFunction (0x00007ff767a0c240) + 0 bytes [UnknownFile:0]
UE4Editor.exe!UnknownFunction (0x00007ff767a0d189) + 0 bytes [UnknownFile:0]
KERNEL32.DLL!UnknownFunction (0x00007ffe40d82774) + 0 bytes [UnknownFile:0]
ntdll.dll!UnknownFunction (0x00007ffe40e90d61) + 0 bytes [UnknownFile:0]
ntdll.dll!UnknownFunction (0x00007ffe40e90d61) + 0 bytes [UnknownFile:0]

the last dev kit does the same with my mod. i can load the dev kit but if i open any BP it crashes the editor.