When I try to play my project it crashes

Development Programming & Scripting Blueprint
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1

when I try to play my game it crashes and I get this error:

Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0x0000000000000cf8

UnrealEditor_Engine!FRootMotionSourceGroup::HasActiveRootMotionSources() [D:\build++UE5\Sync\Engine\Source\Runtime\Engine\Private\GameFramework\RootMotionSource.cpp:1317]
UnrealEditor_Engine!ACharacter::GetReplicatedCustomConditionState() [D:\build++UE5\Sync\Engine\Source\Runtime\Engine\Private\Character.cpp:1592]
UnrealEditor_NetCore!UE::Net::Private::FNetPropertyConditionManager::FindOrCreatePropertyTracker() [D:\build++UE5\Sync\Engine\Source\Runtime\Net\Core\Private\Net\Core\PropertyConditions\PropertyConditions.cpp:75]
UnrealEditor_Engine!UNetDriver::FindOrCreateRepChangedPropertyTracker() [D:\build++UE5\Sync\Engine\Source\Runtime\Engine\Private\NetDriver.cpp:6501]
UnrealEditor_Engine!AActor::CallPreReplication() [D:\build++UE5\Sync\Engine\Source\Runtime\Engine\Private\Actor.cpp:1600]
UnrealEditor_Engine!UNetDriver::ServerReplicateActors_BuildConsiderList() [D:\build++UE5\Sync\Engine\Source\Runtime\Engine\Private\NetDriver.cpp:4469]
UnrealEditor_Engine!UNetDriver::ServerReplicateActors() [D:\build++UE5\Sync\Engine\Source\Runtime\Engine\Private\NetDriver.cpp:5278]
UnrealEditor_Engine!UNetDriver::TickFlush() [D:\build++UE5\Sync\Engine\Source\Runtime\Engine\Private\NetDriver.cpp:955]
UnrealEditor_Engine!UNetDriver::InternalTickFlush() [D:\build++UE5\Sync\Engine\Source\Runtime\Engine\Private\NetDriver.cpp:1603]
UnrealEditor_Engine!TBaseUObjectMethodDelegateInstance<0,UNetDriver,void __cdecl(float),FDefaultDelegateUserPolicy>::ExecuteIfSafe() [D:\build++UE5\Sync\Engine\Source\Runtime\Core\Public\Delegates\DelegateInstancesImpl.h:667]
UnrealEditor_Engine!TMulticastDelegate<void __cdecl(float),FDefaultDelegateUserPolicy>::Broadcast() [D:\build++UE5\Sync\Engine\Source\Runtime\Core\Public\Delegates\DelegateSignatureImpl.inl:956]
UnrealEditor_Engine!UWorld::Tick() [D:\build++UE5\Sync\Engine\Source\Runtime\Engine\Private\LevelTick.cpp:1675]
UnrealEditor_UnrealEd!UEditorEngine::Tick() [D:\build++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\EditorEngine.cpp:1924]
UnrealEditor_UnrealEd!UUnrealEdEngine::Tick() [D:\build++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\UnrealEdEngine.cpp:531]
UnrealEditor!FEngineLoop::Tick() [D:\build++UE5\Sync\Engine\Source\Runtime\Launch\Private\LaunchEngineLoop.cpp:5825]
UnrealEditor!GuardedMain() [D:\build++UE5\Sync\Engine\Source\Runtime\Launch\Private\Launch.cpp:188]
UnrealEditor!GuardedMainWrapper() [D:\build++UE5\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:118]
UnrealEditor!LaunchWindowsStartup() [D:\build++UE5\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:258]
UnrealEditor!WinMain() [D:\build++UE5\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:298]
UnrealEditor!__scrt_common_main_seh() [D:\a_work\1\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl:288]
kernel32
ntdll

please help

2

It seem to be related to a multiplayer things, try to break in parts your game by disable some node in relation to multiplayer to see if you can point out where the issue is.

Double check in your output log in your project if there anything in just before the crash.

Try to add some breakpoint to follow the flow of nodes until it crash.

3

Ive unlinked most nodes and deleted every blueprint from my level and it still crashes