Unreal Engine Issues
Unreal Engine Issues
Adding Niagara system to a projectile causes a crash
UE - Niagara - Jul 29, 2019Adding a Niagara system to a BP_Projectile in a C++ First Person Project and then restarting it causes the editor to crash. Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 (CL - 744 ...
Adding a UMG widget to the viewport twice results in a crash.
UE - Editor - UI Systems - Sep 8, 2015Attempting to add the same widget to the viewport twice will result in an assertion and crash. ...
Crash when rendering movie with "Capture frames in HDR" enabled
UE - Anim - Sequencer - May 18, 2016Crash when rendering movie with "Capture frames in HDR" enabled Will add more info when crashreporter shows up. ...
Nvidia DLSS plugin causing crash in PIE
UE - Graphics Features - Feb 10, 2023The editor is crashing with the 5.1 Nvidia DLSS plugin enabled after performing PIE. This issue is occurring in Binary //UE5/Release-5.1 at CL 23901901 This issue is NOT occurring in Binary //UE5/ ...
Crash on iOS9 when using Apple's CFNetwork library
UE - Platform - Mobile - Dec 6, 2016Many clients have hit a crash due to an Apple library using operator delete on a memory block that was not allocated with operator new. This happens with the following callstack on iOS9 in UE4.13 o ...
When an event on a component that is called from an actor's constructor is deleted, the editor crashes
UE - Gameplay - Blueprint - Mar 16, 2015When an event on a component that is called from an actor's constructor is deleted, the editor crashes. ...
[CrashReport] Crash on Mac during Editor load (out of memory loading Boot.ddc): Assertion failed: A.ArrayNum >= 0
UE - Foundation - Core - Jun 14, 2017This is a common crash occurring for Mac users in the 4.16 release. It appears to occur during editor startup. The below details are taken from user log files.LogFileManager:Error: Requested read of ...
Multithreading Race Condition Crash with Anim Montages
OLD - Anim - Apr 2, 2015Basically, the problem is that the Main Thread is able to run AActor::Tick() (including Blueprint Tick Events) at the same time that the animation system is running functions such as UAnimInstance:: ...
Using a 'Format Text' node to set a 'Text Render' component will crash on map load after project conversion
UE - Gameplay - Blueprint - Apr 19, 2016Using a 'Format Text' node to set a 'Text Render' component will crash on map load after project conversion[EUS] TJ Ballard - Opened the map on a users project from this AnswerHub post: https://answ ...
Crash when playing HLS video with ElectraPlayer on iOS16
UE - Media Framework - Mar 15, 2023Licensee reported crash when playing HLS video with ElectraPlayer on iOS16. According to their research, we can avoid the fix by doing the following: Delete check() in the corresponding line Engine ...