[CrashReport] Assertion failed: TaskDataArray.Num() == Exporter->VolumetricLightmapTaskGuids.Num()

UE - Graphics Features - Lumen - Oct 2, 2017

This is a trending crash coming out of the 4.18 Previews. Users have not provided any descriptions of their actions when the crash occurred, but at least two of the affected projects are being creat ...

Bake To Control Rig on a Spawned Actor in a Subsequence with Play Range that exceeds the Subsequence causes a Crash

UE - Anim - Sequencer - Anim in Engine - Jun 28, 2023

This is a Regression. Tested in //UE5/Release-5.1 CL23901901 Using Bake To Control Rig on a Spawned Actor in a Subsequence with Play Range that exceeds the Subsequence causes a Crash. ...

Crash after creating a suboject for RootComponent if the actor is placed on the level

UE - Foundation - Cpp Tools - Hot Reload - Nov 6, 2020

The crash occurs when trying to assign a new value to RootComponent if the Pawn is already placed on the level Crash does not happen in  P4 //UE4/Release-4.25.3 CL 13942748 Other steps to reproduc ...

Curves in compressed additive animations interpolate incorrectly when two keys in a row have the same value

OLD - Anim - Oct 16, 2019

Curves compressed from additive animations will not interpolate correctly if they have two keys in a row with the same value. The second key will be ignored, leading to the curve interpolating earli ...

Crash retargetting AnimBP with "Allow remapping to existing assets" enabled

OLD - Anim - Aug 24, 2016

4.12 version of the crash: [Link Removed] Error message: Assertion failed: (Index >= 0) & (Index < ArrayNum) [Link Removed] [Line: 833] Array index out of bounds: 1 from an array of size 0 Sourc ...

Ambiguous Search Warning After Recompiling Blueprint of an Object Involved in a Level Sequence

UE - Anim - Sequencer - Apr 18, 2017

The licensee is receiving an ambiguous search warning after recompiling the blueprint of an object involved in a level sequence that is contained in a hidden sublevel (which is then loaded and made ...

Android crash a couple minutes into StrategyGame

UE - Platform - Mobile - Mar 8, 2016

This didn't occur on iOS; so far this has only been tested in StrategyGame The device this occurred on was Nexus5X_6713_Adreno 418, 6.0.1 It did not occur on: iPad Mini 4_6242, 9.2.103-08 14:12:0 ...

[CrashReport] Crash opening project on network drive - VCRUNTIME140!<Unknown>

UE - Networking - Aug 5, 2016

This JIRA is being entered as a result of it being one of the top crashes in 4.13 Preview 1 Error message: Access violation - code c0000005 (first/second chance not available) Source Context:219 ...

Nvidia dedicated graphics card causes menus in the editor to duplicate

Tools - Jun 17, 2015

When using a laptop with an added in graphics card that's Nvidia, the menus in the editor duplicate. However, if you force the editor to use the integrated graphics card, it does not occur. From th ...

Event Tick is not running once packaged

UE - Gameplay - Components - Jul 20, 2015

Event Tick works when it's running on Windows however once it's packaged or even launched onto all platforms, the event tick does not work as anticipated. This happens on all platforms. *Project ca ...