Unreal Engine Issues
Unreal Engine Issues
Animation System relies on FindFunctionByName which is not thread safe.
OLD - Anim - Mar 29, 2017Currently, there are several places in FAnimInstanceProxy and FAnimNode_Base (and derived classes) that rely on FindFunctionByName in order to resolve transitions, evaluate pins, etc. This can happ ...
Editor Crashes When Using Set Replicates in the Construction Script
UE - Networking - Mar 1, 2016When spawning an actor using the Spawn Actor From Class node that has a Set Replicates node in the construction script, the editor crashes upon attempting to run a dedicated server with 2 players. ...
Crash accessing USplineComponent from Niagara while it is being updated on game thread
UE - Niagara - Aug 13, 2020I was working with a licensee on something unrelated, and ran into this niagara threading crash. It looks like UNiagaraDataInterfaceSpline::SampleSplinePositionByUnitDistance on one of the niagara h ...
Duplicating a map crashes the editor (Blueprint compile crash)
UE - Gameplay - Blueprint - Jan 5, 2015EDIT: Date: 1/21/2015 Adding the [Link Removed] Duplicating a map in the Content Browser crashes the editor. It does not matter if the map being duplicated is the currently open map or not. EDIT ...
MoviePipeline: HighRes Tiling feature crashes at high resolutions
UE - Anim - Sequencer - MRQ - Jan 4, 2023If you run with -rdgimmediate -onethread you can get the callstack that indicates that MRQ is still attempting to allocate the full sized texture and not the individual tile size. ...
Crash in FObjectReplicator::StartReplicating when removing replicated uproperty and hot reloading with two players
UE - Networking - May 10, 2016The editor crashes when the user removes the replicated uproperty from a variable and tries to hot reload while a PIE session with two players is still active. This issue was found while trying to ...
Crash when adding a camera to shot track if a player track has been added
UE - Anim - Sequencer - May 9, 2016If the user creates a new sequencer for the level that includes the player character and a shot track the editor will crash if a new camera is set as the camera for the shot track. ...
Editor crash when adding to Instanced Static Mesh Component is created/populated at runtime.
Tools - Sep 26, 2017If NewObject is used to create an instanced static mesh component at runtime, populating the component with AddInstance causes the editor to crash. Regression: Yes - repro steps provided did not cr ...
UE4Editor is crashing after user builds lighting
UE - Graphics Features - Lumen - Jul 22, 2020Issue reported by user that they are experiencing consistent crashes in UE4Editor have building lighting. ...
Crash sometimes occurs when enabling the Gravity tool on part of a Sketchfab object.
TM - Tools - May 4, 2024Current state Triggering Gravity on element from Sketchfab object's tree, may result in crash. For 100% reproduction rate, download 'Rank 3 Police Unit' object and apply Gravity to its element 'Rank ...