Unreal Engine Issues
Unreal Engine Issues
Blueprint reinstancing can duplicate delegate bindings from the reinstanced Blueprint Actor to another referenced Actor instance in the current scene.
UE - Gameplay - Blueprint Compiler - Oct 8, 2018This issue occurs because post-BP compile reinstancing does not clear delegate bindings to other referenced Actor instances in the scene. Thus, the old BP actor instance remains in the referenced Ac ...
BP nativization can generate an invalid path including "__TEMP_BP__"
UE - Gameplay - Blueprint Compiler - Aug 27, 2018The licensee sent us a BP that can't be nativized correctly on UDN. The nativized BP has wrong paths and causes a crash. ...
Changing variable type of event dispatcher results in permanent warning
UE - Gameplay - Blueprint Compiler - Aug 18, 2018If you change the type of an event dispatcher variable (why is this a thing?!), then you will permanently have a warning of the form "No delegate property found for NewEventDispatcher_0" that will ...
Crash when calling SetActorLabel in Construction Script
UE - Gameplay - Blueprint Compiler - Jul 31, 2018Calling SetActorLabel in construction script will cause a crash. Also occurring in Main @ CL 4235929 ...
Behavior Tree corrupts as REINST after PIE when using Blueprint Compilation Manager
UE - Gameplay - Blueprint Compiler - Apr 24, 2018When Blueprint Compilation Manager is enabled, behavior tree node can get corrupted as REINST. ...
Crash when removing Blueprint function
UE - Gameplay - Blueprint Compiler - Apr 23, 2018The Editor crashes whenever the reference to the "DeleteThisFunction" function is deleted. ...
Disabling "Skip Unneeded Dependency Compilation" clears spline points on component compile
UE - Gameplay - Blueprint Compiler - Apr 5, 2018Spline points are lost when compiling BP component. Component is used in PlayerCharacter. Spline Actor Casts to PlayerCharacter and calls a function on this component. Workaround: Open BP_SplineAc ...
Blueprints stay marked as dirty for compilation when using reroute nodes without blueprint compilation manager
UE - Gameplay - Blueprint Compiler - Mar 24, 2018A licensee has reported a problem where having reroute nodes causes blueprints to always be dirty after being compiled when the new compilation manager is disabled. Regression?: No This occurred in ...
[CrashReport] UE4Editor_BlueprintCompilerCppBackend!FEmitDefaultValueHelper::HandleInstancedSubobject() [blueprintcompilercppbackendvaluehelper.cpp:2148]
UE - Gameplay - Blueprint Compiler - Mar 20, 2018No user comments in crash group 2143 // We should always be the one creating an instance in this case. 2144 check(bCreateInstance); 2145 2146 // Dummy object tha ...
Construct object fails to assign a value when using the level blueprint - ConstructObject node issue
UE - Gameplay - Blueprint Compiler - Feb 28, 2018https://udn.unrealengine.com/questions/419239/uk2node-genericcreateobject-compile-issue.html ...