Unreal Engine Issues
Unreal Engine Issues
Crash when changing an actor's variable type from vector to transform
UE - Framework - LWC - Oct 25, 2022It looks like this is some fallout from CL 19405683. If we change a variable from vector to transform, it'll pass this check:if(Tag.StructName == NAME_Transform) { Struct->SerializeTaggedProp ...
Crash when mousing over array parameter in Blueprint function graph while debugging
UE - Gameplay - Blueprint Editor - Mar 3, 2020Mousing over an array input inside a Blueprint function can lead to a crash. For this to occur, the first parameter of the function must be a User Defined Struct. ...
Crash when trying to find references to blueprint Structure node
UE - Gameplay - Blueprint - Oct 12, 2015Right clicking on a struct node inside a blueprint and selecting the "Find References" option will cause the editor to crash Crash Reporter: [Link Removed] ...
Avoidance Groups Not Being Properly Set
UE - AI - Jun 29, 2016Setting the avoidance group using the Set Avoidance Group node does not set the value of the group selected to true inside of the Avoidance Group struct. ...
BlueprintReadWrite erros when using Make and Break Bone Driven Controller nodes
UE - Gameplay - Blueprint - Oct 28, 2016BlueprintReadWrite erros when using Make and Break Bone Driven Controller nodes EDIT [[Link Removed]] (see comments): I think the solution should to only offer the make/break nodes for non-"Bluepr ...
TPropertyValueIterator skips TMap values when KeyType is a UStruct
UE - Foundation - Core - May 7, 2018From https://udn.unrealengine.com/questions/431271/tpropertyvalueiterator-skips-tmap-values-when-keyt.html The property value iterator has logic where it tries to iterate over all properties in a s ...
Pasted collapsed graph with Map pins has additional pins.
UE - Gameplay - Blueprint Editor - Sep 8, 2017A pasted collapsed graph node will have an additional pin, with the value set to a struct type. This seems to only occur with maps where the value was originally set to a type with multiple values ...
Split Pins on a referenced Macro Library will crash the editor on restart
UE - Gameplay - Blueprint - Mar 3, 2016Split Pins on a referenced Macro Library will crash the editor on restart 2 callstacks include, one for 4.10.4 and one for 4.11 Preview 6 User Description: I got some macros in my Object Macro Li ...
Non-reflected header files not recognized by UHT
UE - Foundation - Core - Jul 28, 2015A user adds 3 .h files though Visual studio where the first contains a struct, the 2nd includes the 1st, the 3rd includes the 2nd and tries to make a variable of the struct declared in the 1st. The ...
TInstancedStruct used in native actor class loses reference to Instanced UObject after BP recompilation
UE - Framework - Blueprint Compiler - Jun 25, 2025When a TInstancedStruct contains a UObject marked with EditInlineNew and DefaultToInstanced, the reference is lost after compiling the Blueprint but only when the struct is part of a native Actor cl ...