Multiplayer Shootout project sample is crashing on start

The project sample Multiplayer Shootout in the Learn tab is crashing on start up with 4.7.4

Crash does not occur on 4.8. Tested by Patrick.D on Main CL-2498147

Pass in 4.7.5 dev. - CKC 2503383

1. Download Multiplayer Shootout project from the Learn Tab
2. Make sure you have a Editor copy of 4.7.4
3. Open Multiplayer Shootout

Fatal error!

Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0x00000000

UE4Editor-KismetCompiler.dll!FKismetCompilerContext::ExpandTunnelsAndMacros() (0x000007feca0cf427) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\editor\kismetcompiler\private\kismetcompiler.cpp:2951]
UE4Editor-KismetCompiler.dll!FKismetCompilerContext::ExpansionStep() (0x000007feca0cfd61) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\editor\kismetcompiler\private\kismetcompiler.cpp:2563]
UE4Editor-KismetCompiler.dll!FKismetCompilerContext::CreateAndProcessUbergraph() (0x000007feca0b5ea8) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\editor\kismetcompiler\private\kismetcompiler.cpp:2728]
UE4Editor-KismetCompiler.dll!FKismetCompilerContext::CreateFunctionList() (0x000007feca0b8f35) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\editor\kismetcompiler\private\kismetcompiler.cpp:3144]
UE4Editor-UMGEditor.dll!FWidgetBlueprintCompiler::CreateFunctionList() (0x000007feb2ad7bfd) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\editor\umgeditor\private\widgetblueprintcompiler.cpp:31]
UE4Editor-KismetCompiler.dll!FKismetCompilerContext::Compile() (0x000007feca0aa82b) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\editor\kismetcompiler\private\kismetcompiler.cpp:3397]
UE4Editor-UMGEditor.dll!FUMGEditorModule::Compile() (0x000007feb2ab515e) + 11 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\editor\umgeditor\private\umgeditormodule.cpp:93]
UE4Editor-KismetCompiler.dll!FKismet2CompilerModule::CompileBlueprintInner() (0x000007feca0ad971) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\editor\kismetcompiler\private\kismetcompilermodule.cpp:75]
UE4Editor-KismetCompiler.dll!FKismet2CompilerModule::CompileBlueprint() (0x000007feca0ad2f1) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\editor\kismetcompiler\private\kismetcompilermodule.cpp:139]
UE4Editor-UnrealEd.dll!FKismetEditorUtilities::CompileBlueprint() (0x000007feb93d79f2) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\editor\unrealed\private\kismet2\kismet2.cpp:742]
UE4Editor-UnrealEd.dll!FBlueprintEditorUtils::RegenerateBlueprintClass() (0x000007feb93899d2) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\editor\unrealed\private\kismet2\blueprinteditorutils.cpp:1255]
UE4Editor-CoreUObject.dll!ULinkerLoad::RegenerateBlueprintClass() (0x000007fec67bed77) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\blueprint\blueprintsupport.cpp:289]
UE4Editor-CoreUObject.dll!ULinkerLoad::FinalizeBlueprint() (0x000007fec6794515) + 15 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\blueprint\blueprintsupport.cpp:1000]
UE4Editor-CoreUObject.dll!ULinkerLoad::Preload() (0x000007fec683da39) + 11 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:3019]
UE4Editor-CoreUObject.dll!ULinkerLoad::CreateExport() (0x000007fec68146d5) + 16 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:3611]
UE4Editor-CoreUObject.dll!ULinkerLoad::IndexToObject() (0x000007fec6832ac8) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:3809]
UE4Editor-CoreUObject.dll!ULinkerLoad::CreateExport() (0x000007fec6813db1) + 11 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:3334]
UE4Editor-CoreUObject.dll!ULinkerLoad::IndexToObject() (0x000007fec6832ac8) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:3809]
UE4Editor-CoreUObject.dll!ULinkerLoad::CreateExport() (0x000007fec6813db1) + 11 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:3334]
UE4Editor-CoreUObject.dll!ULinkerLoad::CreateExportAndPreload() (0x000007fec681497b) + 5 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2520]
UE4Editor-CoreUObject.dll!ULinkerLoad::LoadAllObjects() (0x000007fec683505b) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2628]
UE4Editor-CoreUObject.dll!LoadPackageInternal() (0x000007fec68e7da9) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\uobjectglobals.cpp:894]
UE4Editor-CoreUObject.dll!ULinkerLoad::VerifyImportInner() (0x000007fec685d70b) + 49 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2213]
UE4Editor-CoreUObject.dll!ULinkerLoad::VerifyImport() (0x000007fec685c993) + 16 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:1978]
UE4Editor-CoreUObject.dll!ULinkerLoad::VerifyImportInner() (0x000007fec685dac9) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2261]
UE4Editor-CoreUObject.dll!ULinkerLoad::VerifyImport() (0x000007fec685c993) + 16 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:1978]
UE4Editor-CoreUObject.dll!ULinkerLoad::CreateImport() (0x000007fec68152d8) + 11 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:3759]
UE4Editor-CoreUObject.dll!ULinkerLoad::ResolveDependencyPlaceholder() (0x000007fec67ca33e) + 10 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\blueprint\blueprintsupport.cpp:811]
UE4Editor-CoreUObject.dll!ULinkerLoad::ResolveDeferredDependencies() (0x000007fec67c9da6) + 45 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\blueprint\blueprintsupport.cpp:699]
UE4Editor-CoreUObject.dll!ULinkerLoad::Preload() (0x000007fec683da2e) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:3019]
UE4Editor-CoreUObject.dll!ULinkerLoad::CreateExport() (0x000007fec68146d5) + 16 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:3611]
UE4Editor-CoreUObject.dll!ULinkerLoad::IndexToObject() (0x000007fec6832ac8) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:3809]
UE4Editor-CoreUObject.dll!ULinkerLoad::CreateExport() (0x000007fec6813db1) + 11 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:3334]
UE4Editor-CoreUObject.dll!ULinkerLoad::IndexToObject() (0x000007fec6832ac8) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:3809]
UE4Editor-CoreUObject.dll!ULinkerLoad::CreateExport() (0x000007fec6813db1) + 11 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:3334]
UE4Editor-CoreUObject.dll!ULinkerLoad::CreateExportAndPreload() (0x000007fec681497b) + 5 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2520]
UE4Editor-CoreUObject.dll!ULinkerLoad::LoadAllObjects() (0x000007fec683505b) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2628]
UE4Editor-CoreUObject.dll!LoadPackageInternal() (0x000007fec68e7da9) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\uobjectglobals.cpp:894]
UE4Editor-CoreUObject.dll!ULinkerLoad::VerifyImportInner() (0x000007fec685d70b) + 49 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2213]
UE4Editor-CoreUObject.dll!ULinkerLoad::VerifyImport() (0x000007fec685c993) + 16 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:1978]
UE4Editor-CoreUObject.dll!ULinkerLoad::VerifyImportInner() (0x000007fec685dac9) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2261]
UE4Editor-CoreUObject.dll!ULinkerLoad::VerifyImport() (0x000007fec685c993) + 16 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:1978]
UE4Editor-CoreUObject.dll!ULinkerLoad::CreateImport() (0x000007fec68152d8) + 11 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:3759]
UE4Editor-CoreUObject.dll!ULinkerLoad::ResolveDependencyPlaceholder() (0x000007fec67ca33e) + 10 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\blueprint\blueprintsupport.cpp:811]
UE4Editor-CoreUObject.dll!ULinkerLoad::ResolveDeferredDependencies() (0x000007fec67c9cb7) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\blueprint\blueprintsupport.cpp:681]
UE4Editor-CoreUObject.dll!ULinkerLoad::FinalizeBlueprint() (0x000007fec679445f) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\blueprint\blueprintsupport.cpp:917]
UE4Editor-CoreUObject.dll!ULinkerLoad::Preload() (0x000007fec683da39) + 11 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:3019]
UE4Editor-CoreUObject.dll!ULinkerLoad::CreateExport() (0x000007fec68146d5) + 16 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:3611]
UE4Editor-CoreUObject.dll!ULinkerLoad::IndexToObject() (0x000007fec6832ac8) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:3809]
UE4Editor-CoreUObject.dll!ULinkerLoad::CreateExport() (0x000007fec6813db1) + 11 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:3334]
UE4Editor-CoreUObject.dll!ULinkerLoad::CreateExportAndPreload() (0x000007fec681497b) + 5 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2520]
UE4Editor-CoreUObject.dll!ULinkerLoad::LoadAllObjects() (0x000007fec683505b) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2628]
UE4Editor-CoreUObject.dll!LoadPackageInternal() (0x000007fec68e7da9) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\uobjectglobals.cpp:894]
UE4Editor-CoreUObject.dll!ULinkerLoad::VerifyImportInner() (0x000007fec685d70b) + 49 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2213]
UE4Editor-CoreUObject.dll!ULinkerLoad::VerifyImport() (0x000007fec685c993) + 16 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:1978]
UE4Editor-CoreUObject.dll!ULinkerLoad::Verify() (0x000007fec685c777) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:1768]
UE4Editor-CoreUObject.dll!ULinkerLoad::FinalizeCreation() (0x000007fec681cf40) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:1674]
UE4Editor-CoreUObject.dll!ULinkerLoad::Tick() (0x000007fec685bb20) + 8 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:634]
UE4Editor-CoreUObject.dll!ULinkerLoad::CreateLinker() (0x000007fec6815f1f) + 17 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:382]
UE4Editor-CoreUObject.dll!GetPackageLinker() (0x000007fec682d332) + 23 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linker.cpp:668]
UE4Editor-CoreUObject.dll!LoadPackageInternal() (0x000007fec68e7bd4) + 37 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\uobjectglobals.cpp:835]
UE4Editor-CoreUObject.dll!ULinkerLoad::VerifyImportInner() (0x000007fec685d70b) + 49 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2213]
UE4Editor-CoreUObject.dll!ULinkerLoad::VerifyImport() (0x000007fec685c993) + 16 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:1978]
UE4Editor-CoreUObject.dll!ULinkerLoad::Verify() (0x000007fec685c777) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:1768]
UE4Editor-CoreUObject.dll!ULinkerLoad::FinalizeCreation() (0x000007fec681cf40) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:1674]
UE4Editor-CoreUObject.dll!ULinkerLoad::Tick() (0x000007fec685bb20) + 8 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:634]
UE4Editor-CoreUObject.dll!ULinkerLoad::CreateLinker() (0x000007fec6815f1f) + 17 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:382]
UE4Editor-CoreUObject.dll!GetPackageLinker() (0x000007fec682d332) + 23 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linker.cpp:668]
UE4Editor-CoreUObject.dll!LoadPackageInternal() (0x000007fec68e7bd4) + 37 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\uobjectglobals.cpp:835]
UE4Editor-CoreUObject.dll!ULinkerLoad::VerifyImportInner() (0x000007fec685d70b) + 49 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2213]
UE4Editor-CoreUObject.dll!ULinkerLoad::VerifyImport() (0x000007fec685c993) + 16 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:1978]
UE4Editor-CoreUObject.dll!ULinkerLoad::VerifyImportInner() (0x000007fec685dac9) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2261]
UE4Editor-CoreUObject.dll!ULinkerLoad::VerifyImport() (0x000007fec685c993) + 16 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:1978]
UE4Editor-CoreUObject.dll!ULinkerLoad::CreateImport() (0x000007fec68152d8) + 11 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:3759]
UE4Editor-CoreUObject.dll!ULinkerLoad::ResolveDependencyPlaceholder() (0x000007fec67ca33e) + 10 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\blueprint\blueprintsupport.cpp:811]
UE4Editor-CoreUObject.dll!ULinkerLoad::ResolveDeferredDependencies() (0x000007fec67c9da6) + 45 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\blueprint\blueprintsupport.cpp:699]
UE4Editor-CoreUObject

Update 4.7.4 breaks UE4-MultiplayerShootout

Unreal Sample Project After Version upgarde 4.7.4

Multiplayer Shootout Crash

4.7.4 Project crash on startup

4.7.4 Crash on play

[Bug Report] JoinSession doesnt work with warning "Invalid Player State" in 4.7.4

4.7.4 engine crash on startup