UE4 Crash in play mode

Every time I try to play my game in a new window or the viewport, I get the following error message. I ma using UE 4.14.3

MachineId:D769D3254EE3963E73216295CC57CE6A
EpicAccountId:5b92e74b01214f0cbbc82a492c80f448

Access violation - code c0000005 (first/second chance not available)

UE4Editor_WoofbertVR!TArray,FDefaultAllocator>::RemoveAllSwap< >() [c:\program files\epic games\ue_4.14\engine\source\runtime\core\public\containers\array.h:1992]
UE4Editor_WoofbertVR!TBaseDynamicMulticastDelegate::__Internal_AddDynamic() [c:\program files\epic games\ue_4.14\engine\source\runtime\core\public\delegates\delegatesignatureimpl.inl:1125]
UE4Editor_WoofbertVR!ACapitolTutorialManager::BeginPlay() [d:\project\woofbertvr 4.14\source\woofbertvr\private\utilities\capitoltutorialmanager.cpp:49]
UE4Editor_Engine
UE4Editor_Engine
UE4Editor_Engine
UE4Editor_Engine
UE4Editor_Engine
UE4Editor_Engine
UE4Editor
UE4Editor
UE4Editor
UE4Editor
UE4Editor
kernel32
ntdll