Unreal Engine Issues

Characters can not pass through back faces of triangle meshes

Here is a work around bool FTriangleMeshSweepVisitor::VisitSweep(const TSpatialVisitorData<int32>& VisitData, FRealSingle& CurDataLength) { ... if (CullsBackFaceSweepsCode != 0) { if ...

Crash when loading TM-MotionControllers in a packaged build

Packaged QA Game crashes when opening "TM-MotionController" This issue did not occur in 4.13 This is also affecting KiteDemo. Cinematic will crash when Editor Content is not included in the packag ...

Crash reimporting Geometry Cache with Per X Frames

Crash occurs when the user reimports a geometry cache asset and changes the Sampling Type to Per X Frames. This seems to only occur if Frame Start is set to a value other than 0. ...

Crash Importing Skeletal Mesh LODs with a lot of morph targets

Crash Importing Skeletal Mesh LODs with a lot of morph targets Error message: Assertion failed: (Index >= 0) & (Index < ArrayNum) [Link Removed] [Line: 785] Array index out of bounds: 2 from an ar ...

CPU benchmark value "inf" When using the console command "scalability auto"

When running the console command "scalability auto" on a packaged project, the benchmark for the CPU is returning "inf". Example logs [2017.11.09-14.35.50:583][ 92]LogConsoleResponse: Display: Cu ...

Crash occurs while clicking through the Landscape Overview Tutorial

Crash occurs while progressing through the Landscape Overview tutorial, after the step "After pressing the Create Button, your level should now have a Landscape Actor inside of it" This is a regres ...

Crash when removing or disabling an additive layer track in Persona

Editor is crashing when removing and Additive layer Track in persona. Editor also crashes if the curve is disabled rather than deleted. This is a regression from 4.13 ...

Particle memory can be corrupted leading to a crash

FlushPressedKeys doesn't clear EventAccumulators, resulting in stale data

From the user:  The root of the problem appears to be that KeyState.EventAccumulator still has events stored in the structure for 'LeftAlt'. So, although UPlayerInput::FlushInput is called when the ...

Crash when Applying Hole Material to Imported Tiled Landscape with World Composition

A crash occurs when importing a tiled landscape, via the 'Levels' window with World Composition enabled, and applying a material to the 'Hole Material' slot. You can also re-apply a default material ...