Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0x000004c0

after 5 days of restoring the map after it broke and checking it until 3am last night to make sure it worked…I open it today and I get this when trying to run it

Fatal error!

Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0x000004c0

VERSION: 236.2
UE4Editor-ShooterGame.dll!ANPCZoneManager::BeginPlay() (0x00007ffd6c7980d4) + 94 bytes [c:\svn_ark\projects\shootergame\source\shootergame\private\npczonemanager.cpp:134]
UE4Editor-Engine.dll!UnknownFunction (0x00007ffd762bd7ce) + 0 bytes [UnknownFile:0]
UE4Editor-Engine.dll!UnknownFunction (0x00007ffd767083c5) + 0 bytes [UnknownFile:0]
UE4Editor-Engine.dll!UnknownFunction (0x00007ffd7677c635) + 0 bytes [UnknownFile:0]
UE4Editor-Engine.dll!UnknownFunction (0x00007ffd7677bf25) + 0 bytes [UnknownFile:0]
UE4Editor-Engine.dll!UnknownFunction (0x00007ffd7672ae62) + 0 bytes [UnknownFile:0]
UE4Editor-Engine.dll!UnknownFunction (0x00007ffd760d6626) + 0 bytes [UnknownFile:0]
UE4Editor-Engine.dll!UnknownFunction (0x00007ffd760f24de) + 0 bytes [UnknownFile:0]
UE4Editor-UnrealEd.dll!UnknownFunction (0x00007ffd74274147) + 0 bytes [UnknownFile:0]
UE4Editor-UnrealEd.dll!UnknownFunction (0x00007ffd742d3710) + 0 bytes [UnknownFile:0]
UE4Editor-UnrealEd.dll!UnknownFunction (0x00007ffd742f2b98) + 0 bytes [UnknownFile:0]
UE4Editor-UnrealEd.dll!UnknownFunction (0x00007ffd74010be9) + 0 bytes [UnknownFile:0]
UE4Editor-UnrealEd.dll!UnknownFunction (0x00007ffd74475b36) + 0 bytes [UnknownFile:0]
UE4Editor.exe!UnknownFunction (0x00007ff60b5b9564) + 0 bytes [UnknownFile:0]
UE4Editor.exe!UnknownFunction (0x00007ff60b5aed0f) + 0 bytes [UnknownFile:0]
UE4Editor.exe!UnknownFunction (0x00007ff60b5aed7a) + 0 bytes [UnknownFile:0]
UE4Editor.exe!UnknownFunction (0x00007ff60b5babe0) + 0 bytes [UnknownFile:0]
UE4Editor.exe!UnknownFunction (0x00007ff60b5bbb19) + 0 bytes [UnknownFile:0]
KERNEL32.DLL!UnknownFunction (0x00007ffdaab78102) + 0 bytes [UnknownFile:0]
ntdll.dll!UnknownFunction (0x00007ffdab70c5b4) + 0 bytes [UnknownFile:0]
ntdll.dll!UnknownFunction (0x00007ffdab70c5b4) + 0 bytes [UnknownFile:0]

I’m stumped…if it was fine before I went to bed…why is it not fine now?

I think it’s that bit there that’s giving you that error something BP related? think I’ve seen this one here before:
VERSION: 236.2 UE4Editor-ShooterGame.dll!ANPCZoneManager::BeginPlay() (0x00007ffd6c7980d4) + 94 bytes [c:\svn_ark\projects\shootergame\source\shootergame\private\npczonemanager.cpp

Delete the Binary and Intermediatefolder and restart. May this help.

Fatal error!

Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0x000000e4

EpicGamesLauncher.exe!0x0000000001A96151
EpicGamesLauncher.exe!0x0000000001924D32