Unreal Engine Issues
Unreal Engine Issues
Clicking the Add Variable button in a Struct that is referenced as two inputs in a function that is called in an Actor Blueprint's Construction Script causes a crash
UE - Gameplay - Blueprint - Jun 28, 2015Clicking the Add Variable button in a Struct that is referenced as two inputs in a function that is called in an Actor Blueprint's Construction Script causes a crash. This does not occur in the Even ...
PrintString in GameMode construction script is never fired (not shown in output log)
UE - Gameplay - Blueprint - Sep 4, 2015From Joe Conley: I'm not sure exactly when the game mode is spawned in the case of PIE, but hooking up a print string node to the start of the construction script, I never see that printed in the o ...
Ensure triggered in FBoundsCacheElement::GetValue when adding ISM instances in Construction Script
UE - AI - Oct 8, 2025An ensure is triggered in FBoundsCacheElement::GetValue when adding instances to an InstancedStaticMeshComponent inside a Blueprint’s Construction Script. This occurs when the ISM component is navig ...
Construction Script Does Not Update Parameters Of An Actor Component
UE - Gameplay - Oct 16, 2018The construction script does not update the parameters of the actor component. Found in 4.19 CL# 4033788, 4.20 CL# 4369336, 4.21 Preview 1 CL# 4435822, 4.22 CL# 4470579 ...
Nativizing actor does not destroy component with construction script.
UE - Gameplay - Blueprint Compiler - Nov 19, 2018Running destroy component with construction script placed on level blueprint does not destroy component when it is nativized. It works correctly with PIE and Not Nativize. Also, if the actor that wa ...
Put Rigid Body to Sleep does not work when used in the construction script
UE - Gameplay - Feb 24, 2016Put Rigid body to sleep does not appear to work within the construction script ...
Memory Leak occurring when making procedural content with the Construction Script
UE - Gameplay - Blueprint - Nov 24, 2015When modifying an object that makes changes using the construction script seems to cause a memory leak. The memory that is used seems to never be freed up. ...
PIE crash on infinite loop in a BP construction script
UE - Gameplay - Blueprint Runtime - Oct 19, 2023From the [Link Removed]: We had an issue where PIE was being stopped due to an "infinite loop" being detected in one of the blueprints construction script. This was also crashing the editor as the ...
Construction script in parent blueprint cannot call function in child blueprint
UE - Gameplay - Blueprint - Apr 1, 2016Construction script in parent blueprint cannot call function in child blueprint when the editor first loads. Once the parent BP is compiled it acts as expected. Regression? (Yes), issue (does not ...
Setting Is Closed on an Instance of a Spline's Details Returns False in the Actor's Construction Script
Tools - Oct 3, 2016When attempting to get the value of Is Closed on an instance of an actor's spline component, the value is always false during construction of the actor. On Begin Play, the Is Closed value returns t ...