Unreal Engine Issues
Unreal Engine Issues
Editor freezes then crashes while attempting to save during PIE
UE - Gameplay - Blueprint - Jun 8, 2015A level blueprint that has blueprint functions on keybound events freezes and crashes when in PIE and save is pressed. Frequency: 7/7 Crashreporter: [Link Removed] Note: If all level blueprint n ...
AIController.BrainComponent not being set to user-created BehaviorTreeComponent instance
UE - AI - Apr 30, 2015If a user manually created a UBehaviorTreeComponent for his custom AI controller, but forgets to set AIController.BrainComponent to point at that BT component then a fair amount of assumptions break ...
ForEach 'Enum' node returns incorrect enum values
UE - Gameplay - Blueprint - Aug 21, 2015ForEach 'Enum' node returns incorrect enum values User Description: The For Each loop and Byte To Enum function return weird things. The same outputs happen with the Byte To Enum, depending on wh ...
RootMotion Malfunctioning When Played in Lower Framerates
UE - Gameplay - Player Movement - May 2, 2016Root Motion Animations are not functioning correctly during lower frame rates. For example, a character moving forward 2 meters at regular frame rate will move 10 meters at a lower frame rate. Regr ...
Updating project to 4.12 corrupts Additive AimOffset thumbnail, causing log spam
OLD - Anim - Jun 6, 2016Updating project to 4.12 corrupts Additive AimOffset thumbnail, causing log spamLogAnimation:Warning: Setting an additive animation (Owen_AimOffset) on an AnimSingleNodeInstance is not allowed. This ...
Crash when calling an event with an enum reference parameter with literal
UE - Platform - Linux - May 1, 2018The issue appears to be the type of the input pin on the custom event(or function - both behave the same), under normal circumstances it should allow you to pick the enum from a list on the calling ...
Input not recognized from 'Any Key' when set as an Action Mappings Binding
UE - Gameplay - Jul 12, 2018The 'Any Key' input isn't working when it is assigned in the Axis Mappings menu. If you call 'Any Key' in Blueprint it still functions as intended. This is a regression from 4.19.2 (CL-4033788). T ...
Crash when creating a local variable inside of a collapsed node graph that has been copied
UE - Gameplay - Blueprint - Nov 5, 2015If the user creates a function with local variables and then collapses the variables down into a collapsed graph and then duplicates this collapsed graph the variables in the second graph will be gr ...
Blueprint Break on Exceptions does not work with Accessed None errors
UE - Gameplay - Blueprint - Jan 14, 2015The experimental feature Blueprint Break on Exceptions does not work with Accessed None errors. To test, create an actor variable in a blueprint and use it as an input to a function without having s ...
Crash when selecting "show" > "uncompressed animation" in Persona
OLD - Anim - Jul 1, 2016From this UDN: https://udn.unrealengine.com/questions/301289/crash-in-persona-debug-display.html Proposed solution: In UDebugSkelMeshComponent::GenSpaceBases() before PerformAnimationEvaluation() ...