Here is the message:
Assertion failed: (Index >= 0) & (Index < ArrayNum) [File:D:\Build++UE4\Sync\Engine\Source\Runtime\Core\Public\Containers/Array.h] [Line: 674]
Array index out of bounds: 2 from an array of size 2
0x00007ffa8f8a4f99 KERNELBASE.dll!UnknownFunction []
0x00007ffa1e07d066 UE4Editor-Core.dll!UnknownFunction []
0x00007ffa1e0807a8 UE4Editor-Core.dll!UnknownFunction []
0x00007ffa1dd8e8cd UE4Editor-Core.dll!UnknownFunction []
0x00007ffa1dd25575 UE4Editor-Core.dll!UnknownFunction []
0x00007ffa1dd27620 UE4Editor-Core.dll!UnknownFunction []
0x00007ff9f21e45c8 UE4Editor-HairStrandsCore.dll!UnknownFunction []
0x00007ff9f2061b20 UE4Editor-HairStrandsCore.dll!UnknownFunction []
0x00007ff9f203fd92 UE4Editor-HairStrandsCore.dll!UnknownFunction []
0x00007ff9f2069b3b UE4Editor-HairStrandsCore.dll!UnknownFunction []
0x00007ffa1d66a2cd UE4Editor-CoreUObject.dll!UnknownFunction []
0x00007ff9f2069f35 UE4Editor-HairStrandsCore.dll!UnknownFunction []
0x00007ffa1d66a2cd UE4Editor-CoreUObject.dll!UnknownFunction []
0x00007ffa1d788978 UE4Editor-CoreUObject.dll!UnknownFunction []
0x00007ffa1d7797e7 UE4Editor-CoreUObject.dll!UnknownFunction []
0x00007ffa1d799222 UE4Editor-CoreUObject.dll!UnknownFunction []
0x00007ffa1d797f30 UE4Editor-CoreUObject.dll!UnknownFunction []
0x00007ffa0e551dcb UE4Editor-UnrealEd.dll!UnknownFunction []
0x00007ffa0e541abf UE4Editor-UnrealEd.dll!UnknownFunction []
0x00007ffa0e52ae7f UE4Editor-UnrealEd.dll!UnknownFunction []
0x00007ffa0edadb77 UE4Editor-UnrealEd.dll!UnknownFunction []
0x00007ffa0e82f7f9 UE4Editor-UnrealEd.dll!UnknownFunction []
0x00007ffa0e82f608 UE4Editor-UnrealEd.dll!UnknownFunction []
0x00007ffa0edea640 UE4Editor-UnrealEd.dll!UnknownFunction []
0x00007ffa0eda9653 UE4Editor-UnrealEd.dll!UnknownFunction []
0x00007ff7b9c30ffb UE4Editor.exe!UnknownFunction []
0x00007ff7b9c3125a UE4Editor.exe!UnknownFunction []
0x00007ff7b9c452bd UE4Editor.exe!UnknownFunction []
0x00007ff7b9c47fea UE4Editor.exe!UnknownFunction []
0x00007ffa91af7034 KERNEL32.DLL!UnknownFunction []
0x00007ffa91d62651 ntdll.dll!UnknownFunction []
Is there a file I can delete to get my project to open?