Unreal Engine Issues
Unreal Engine Issues
Crash Re-Importing animation with Additive Layer Tracks after adding a bone to the hierarchy
OLD - Anim - Feb 13, 2017Error message: Assertion failed: (Index >= 0) & (Index < ArrayNum) [Link Removed] [Line: 633] Array index out of bounds: 68 from an array of size 68 Source Context: 733 734 Extrac ...
Users project is crashing when double clicking the exe file after packaging for windows
UE - AI - Mar 7, 2015If you package this users project, you will get a fatal error crash after double clicking the exe file. I was unable to reproduce this issue without using the users project. Project download link: ...
Crash occurs when unmuting a user while Voice Chat and Network Replays are both active
UE - Networking - Oct 29, 2015User claims that crash occurs when a new user joins a session and the program attempts to unmute the existing players. This only occurs if Network Replays are active. Note: No reproduction has yet ...
FMD5::Update can crash when used with packages larger than 2^31
UE - Foundation - Core - Cooker - Dec 21, 2018This bug was reported by Nurulize on UDN: UPackage::Save calls FMD5::Update at line 5918 The bug comes from the fact that Writer->TotalSize() is int64 vs the 2nd parameter of FMD5::Update which ...
Material containing null expressions crashes when launching the editor with the -Game flag
UE - Rendering Architecture - Materials - Nov 23, 2023This comes from a UDN report. [Link Removed] When launching the editor with -game, if a material contains a null expression (for instance because that material expression has been removed), the bin ...
Crash when double clicking on RowStruct's CurveEditor
UE - Editor - Applied Usability - Mar 15, 2024This problem can be reproduced with UE5.3 even after applying fix [Link Removed]. We have verified this issue with UE5.1 and it is not reproduced. ...
LIVE: Multiplying an FQuat*FQuat via pass-by-value crashes editor on open
UE - Foundation - Core - Nov 5, 2014If a function takes in an FQuat value and then multiplies it by an FQuat, the project will build properly but then crash when trying to launch the project in the editor. Example project available b ...
Draw debug will crash visionOS
UE - Platform - XR - Dec 17, 2024Editor crashes while switching to paint mode if material has a grass output and landscape visibility mask
UE - LD & Modeling - Terrain - Landscape - Aug 10, 2016Editor crashes while switching to paint mode if material has a grass output and landscape visibility mask. Frequency: 3/3 ...