Unreal Engine Issues

Opening widget blueprint causes editor to crash

Branch Build Label UE4-Main Promoted-CL- 2323471 DESCRIPTION: User crashes when opening a Widget blueprint.  Unable to reproduce internally. *EDIT* Repro provided by User ...

Assertion thrown while deleting a Curve from a Control Rig asset - DetailsViewWrapperObject.cpp: 231

Assertion thrown while deleting a Curve from a Control Rig asset.  ...

Editor crashes while sculpting landscape heavily covered in foliage

Sculpting a landscape densely covered in foliage crashes editor after freezing. Frequency: 2/2 crashreporter: N/A Additional CrashReporter - [Link Removed] ...

Trying to set/change an element of a fixed-size TAssetPtr array in the Editor results in a crash.

Trying to set the value of an element of a fixed-size TAssetPtr array in the Editor results in the Editor crashing. This did not occur in 4.13. The attached callstack is from debugging the project ...

Adding Angular Impulse on Begin Play causes a Crash

Calling Add Angular Impulse on BeginPlay causes the editor to crash. Workaround: Adding a short (.01s) delay after BeginPlay prevents the crash. Regression: No, crash occurs in 4.11.2 as well. ...

Access Violation in delegatesignatureimpl.inl after HotReload

This is the third different callstack in an attempt to repro a HotReload crash I am experiencing. The other two are:[Link Removed]: Nullptr Ensure and crash after HotReloading[Link Removed]: Assert ...

Launch Game Crash with None Distribution Method in Cascade

When you set the Distribution method to NONE in an initial Mesh Rotation Module of Cascade, cook the content for windows and then Launch for windows (or other non-editor device), the launched game w ...

Particle memory can be corrupted leading to a crash

TMap<Bool is disallowed despite bool having a hash

Reproduced 3/3 times. User is unable to create a new TMap with bool key through Blueprints (which is the expected result).  Issue is technically a Regression, as the ensure does not occur in //UE5/ ...

Blackboard interaction crashes engine

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 ...