I opened a copy of a project from 5.1 to 5.2 but when i open any blueprint class the program crash.
Fatal error!
Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0x0000000000000008
0x00007ff966457387 UnrealEditor-RigVM.dll!UnknownFunction []
0x00007ff96642a230 UnrealEditor-RigVM.dll!UnknownFunction []
0x00007ff96646aaf8 UnrealEditor-RigVM.dll!UnknownFunction []
0x00007ff94a9f8f84 UnrealEditor-ControlRigEditor.dll!UnknownFunction []
0x00007ff9659b947f UnrealEditor-ControlRigDeveloper.dll!UnknownFunction []
0x00007ff9a7bac980 UnrealEditor-BlueprintGraph.dll!UnknownFunction []
0x00007ff9a7bab876 UnrealEditor-BlueprintGraph.dll!UnknownFunction []
0x00007ff9a7b909b5 UnrealEditor-BlueprintGraph.dll!UnknownFunction []
0x00007ff9a7ba060c UnrealEditor-BlueprintGraph.dll!UnknownFunction []
0x00007ff9a95b1c34 UnrealEditor-Kismet.dll!UnknownFunction []
0x00007ff9a95dec26 UnrealEditor-Kismet.dll!UnknownFunction []
0x00007ff9a9699434 UnrealEditor-Kismet.dll!UnknownFunction []
0x00007ff9a9699a31 UnrealEditor-Kismet.dll!UnknownFunction []
0x00007ff94659a721 UnrealEditor-EngineAssetDefinitions.dll!UnknownFunction []
0x00007ff976816c12 UnrealEditor-AssetTools.dll!UnknownFunction []
0x00007ff9ac03a322 UnrealEditor-UnrealEd.dll!UnknownFunction []
0x00007ff9ab6b79b3 UnrealEditor-UnrealEd.dll!UnknownFunction []
0x00007ff9ab658bc8 UnrealEditor-UnrealEd.dll!UnknownFunction []
0x00007ff9ab645372 UnrealEditor-UnrealEd.dll!UnknownFunction []
0x00007ff9ab1bf884 UnrealEditor-UnrealEd.dll!UnknownFunction []
0x00007ff9ab1a2ec4 UnrealEditor-UnrealEd.dll!UnknownFunction []
0x00007ff9b2b13f86 UnrealEditor-Slate.dll!UnknownFunction []
0x00007ff9b2b3a2f5 UnrealEditor-Slate.dll!UnknownFunction []
0x00007ff9b28cb552 UnrealEditor-Slate.dll!UnknownFunction []
0x00007ff9b28b02b8 UnrealEditor-Slate.dll!UnknownFunction []
0x00007ff9b2918a13 UnrealEditor-Slate.dll!UnknownFunction []
0x00007ff9b2907490 UnrealEditor-Slate.dll!UnknownFunction []
0x00007ff9b28fcd60 UnrealEditor-Slate.dll!UnknownFunction []
0x00007ff9e9690b02 UnrealEditor-ApplicationCore.dll!UnknownFunction []
0x00007ff9e9676751 UnrealEditor-ApplicationCore.dll!UnknownFunction []
0x00007ff9e96933b8 UnrealEditor-ApplicationCore.dll!UnknownFunction []
0x00007ff9e966ff43 UnrealEditor-ApplicationCore.dll!UnknownFunction []
0x00007ffa0948e858 USER32.dll!UnknownFunction []
0x00007ffa0948e4ee USER32.dll!UnknownFunction []
0x00007ff946187e59 InkObj.dll!UnknownFunction []
0x00007ff9ce0b1028 atlthunk.dll!UnknownFunction []
0x00007ffa0948e858 USER32.dll!UnknownFunction []
0x00007ffa0948e299 USER32.dll!UnknownFunction []
0x00007ff9e9694846 UnrealEditor-ApplicationCore.dll!UnknownFunction []
0x00007ff6f4ec750b UnrealEditor.exe!UnknownFunction []
0x00007ff6f4ee473c UnrealEditor.exe!UnknownFunction []
0x00007ff6f4ee482a UnrealEditor.exe!UnknownFunction []
0x00007ff6f4ee74f0 UnrealEditor.exe!UnknownFunction []
0x00007ff6f4efa4c4 UnrealEditor.exe!UnknownFunction []
0x00007ff6f4efd996 UnrealEditor.exe!UnknownFunction []
0x00007ffa09637614 KERNEL32.DLL!UnknownFunction []
0x00007ffa0a5226a1 ntdll.dll!UnknownFunction []