GetPackageLengthForCooking can be much larger than the actual file path length

Tools - Jul 10, 2019

If the file path with the asset contains a project name, the cooking file pathlength is incorrectly increased. The following code in ContentBrowserUtils :: GetPackageLengthForCooking causes this is ...

Generated Installed build Windows only quicklaunch fails because Platforms\Hololens\Binaries directory non-existant

UE - Foundation - Build - Rocket (Installed Engine) - Nov 11, 2022

 Repro Rate 3/3Note: Step 3 in the steps to reproduce can take 2+ hours. When trying to do a quicklaunch for Windows platform in step 11 of https://testrail.it.epicgames.com/index.php?/tests/view/1 ...

Crash After Reimporting Static Mesh With Added Material Slot

Tools - Jan 12, 2017

After importing a mesh without any materials assigned, if you add a material slot and save the material. Reimporting this mesh will cause a crash. The only way to avoid this crash is to import a me ...

Check() when loading a child anim BP used as a linked instance

UE - Anim - Runtime - Anim Blueprints - Jun 7, 2021

Check encountered by CloudChamber. Slack thread: [Link Removed] ...

[CrashReport] UE4Editor_Persona!<lambda_e529d88d0657fbede17be1535bc6d479>::operator() [blendspacedetails.cpp:29]

OLD - Anim - Aug 14, 2017

This is a trending crash coming out of the 4.17 release. Users have not provided any descriptions of their actions when the crash occurred. The callstack is very close to https://jira.it.epicgames ...

When asynchronously loading levels using the "Async Load Primary Asset" node, the dirty flag of the loaded level becomes Enable

UE - Gameplay - Jul 26, 2018

Asynchronously loading a level that has one or more Actors using the "Async Load Primary Asset" node will enable dirty grug for that level asset. The cause is a modified code(CL-3764602) for the [L ...

Blackboard interaction crashes engine

UE - AI - May 15, 2015

User Description: "I'm trying to implement AI and following zoombapup's Guard AI YT tutorials. Whatever I do within Blackboard crashes the engine. Yes even a single click on Self key. Here's the dum ...

UI_BUILD_SHIPPING_EDITOR not defined warning occurs when building for Android

UE - Platform - Mobile - Jan 18, 2017

The following warning occurs when building a project for Android in the Test configuration. LogPlayLevel: UnrealBuildTool: [119/283] clang++ Module.Core.4_of_8.cpp [armv7-es2] LogPlayLevel: Unreal ...

Unable to PIE + Crash after editing SColorGradingPicker

Tools - Jul 26, 2017

Changing Color Grading settings of a post process volume and using "Enter" to commit changes prevents the editor from entering PIE / Simulate mode with the error message "Can't Play In Editor / Simu ...

Desynchronised playback of firstime played SoundWaves with active AudioStreamCaching

UE - Audio - Mar 25, 2020

The SoundWave in the Content folder of the attached Project has been exported from Nuendo @ 120BPM 4/4, with a duration of exactly 1 Bar. The BP_Audio Actor uses the TimeSynthComponent to provide sa ...