Unreal Engine Issues

Assertion failed: (Index >= 0) & (Index < ArrayNum) when importing large Alembic file

Regression testing done on //UE4/Release-4.27.2 CL-18427296 and this issue did occur. [Link Removed] [Link Removed] Below is snips of customers description and proposed workaround:Importing alembi ...

Imported heightmaps with 2x2 sections crash editor

Importing a heightmap with 2x2 segments seems to cause the editor to crash in 3 different instances: 1. Importing the same 2x2 segment landscape a second time after deleting the first instance 2. ...

Attached Project Crashes While Opening After Conversion From 4.10 to 4.11

The attached project is now crashing after being upgraded from 4.10.4 to 4.11.2. This crash also occurs when attempting to open a copy of the project in 4.12 Preview 1. After further investigation ...

Crash after Splash Screen on Android (ETC2) when Adding r.UseShaderCaching and r.UseShaderPredraw

A crash occurs when adding the two rendering variables 'r.UseShaderCaching' and 'r.UseShaderPredraw' when deployed to an Android device packaged for (ETC2). I ran a few more tests to try and isolat ...

Crash when opening Post Process Material with Live Data Preview running in Profiler

Edit: CrashReporter link: [Link Removed] When running the Session Frontend Profiler as a Live Data Preview and you open a Post Process material, the editor will crash to the desktop. Reproduced in ...

Crash when importing Alembic data with a large number of vertices if Merge Meshes is enabled.

ENGINE: CRASH: One off Editor Crash with ANavLinkProxy::GetComponentsBoundingBox() navlinkproxy.cpp:189

One off editor crash. [Link Removed] Error Message Access violation - code c0000005 (first/second chance not available) Call Stack of Most Recent Crash ANavLinkProxy::GetComponentsBoundingBox() na ...

Crash when Removing and adding players on client

Crash when Removing and adding players on client. If the user adds a player to the client and then removes that player and then adds another one. This appears to crash the editor ...

Crash when Changing Source File and Re-Importing Mesh used in Mesh Particle System

A licensee has reported a crash when re-importing a mesh being used within a Mesh Particle system. Regression? Yes, this crash does not occur in the 4.11.2 binary release. Link to Crash Logs: [Lin ...

Attached Project Crashes When Loading Screen is Created

The attached project crashes when you use the RunClient.bat and attempt to host a game. This brings up a loading screen, which then crashes before it is ever displayed. I have been unable to reprodu ...