Unreal Engine Issues
Unreal Engine Issues
Exported Particle Emitter Tries to Reference Graphs of Original System
UE - Niagara - Dec 7, 2017User reports that the bug was initially discovered in 4.18 and then reproduced in 4.16 project (attached). Per User: For some reason when exporting this emitter to any other system bugs out. When ...
Body elements of a Paper Terrain Spline Data Assets do not have collision
UE - Gameplay - Paper2D - Mar 8, 2015Body elements of a Paper Terrain Spline Data Assets do not have collision. When the second handle is dragged to lengthen the spline, only the Start and End Caps show collision. The end cap will show ...
Removing the only linked pin on a Make Array/Set node does not revert the remaining pins to Wildcard
UE - Gameplay - Blueprint Editor - Jul 28, 2017When the user removes the only linked pin on a Make Array or Make Set node, the remaining pins do not return back to being Wildcard pins, unless the user refreshes the node. ...
Attached Project Crashes on PIE and when Compiling or Attempting to Delete Third Person Character BP
UE - Gameplay - Blueprint - Nov 20, 2015In the attached project, there are crashes that occur in a few instances. When you open the Third Person Character BP, compiling or attempting to delete it will cause the editor to crash. Also, atte ...
A Child PlayerCharacter BP in this project resets its assigned Anim BP to 'None' on restarting the project
UE - Gameplay - Blueprint - Jul 16, 2015A Child PlayerCharacter BP in this project resets its assigned Anim BP to 'None' on restarting the project. The user reports that the Skeletal Mesh will also occasionally reset to None. I have not b ...
Set Actor Enable Collision doesn't turn off collision for Child Actor Components
UE - Gameplay - Jan 30, 2017Set Actor Enable Collision doesn't turn off collision for Child Actor Components. User expects it to do so because other nodes like Set Hidden in Game work on the entire actor and the API explains i ...
Editor crashes when opening a project that has a variable in a Blueprint function with the same name as a different replicated variable in the Blueprint's parent code class
UE - Gameplay - Blueprint - May 17, 2017If a replicated property in a parent code class has the same name as a variable contained within a function of a Blueprint that derives from that parent class, the Editor will crash while attempting ...
Failed Skeletal Mesh "reimport" can cause asset to be deleted entirely
Tools - Dec 8, 2015When you attempt to import an FBX with the same name as another asset in the same folder, it asks to overwrite it. Many users and licensees use this method over our "Reimport" options because there ...
Garbage Collection Causing Noticeable Hitches
UE - Foundation - Core - Apr 11, 2016Garbage Collection is causing noticeable hitches on whatever interval it is run on. This is noticeable in the UE4 Profiler, as you will see a spike every X amount of seconds, depending on how often ...
RHI assert on startup when compiling shipping build with assertions enabled
UE - Graphics Features - Dec 23, 2019When setting bUseChecksInShipping to true in the PRojec's Target.cs file, the project will package successfully for Shipping but trigger an assert when it is launched. The error is also present when ...