Unreal Engine Issues

Parent blueprint cannot cast 'self' to child blueprint - gets compile error on PIE

When attempting to cast a parent actor to a child actor, if the parent uses "self" as the target of the cast the blueprint will compile, but when PIE is pressed a compile error will appear. ...

Target pin creates compile errors unless value is set outside of node

Some nodes have target pins that auto-fill to target: self. However, unless a value is passed into this node from a get or other means, the blueprint will not compile. ...

Navigation-less AI movement doesn't work

Locking mouse to viewport fails after clicking inside the widow

After clicking once inside of the window the lock mouse to viewport functionality is lost. The mouse can then leave the viewport. This happens in standalone as well as PIE ...

Clicking the Yellow Reset to Defaults Button on an exposed Value for struct Arrays always defaults to '0'

When using the track builder plugin, the default settings for the track width starts at 1. However, when the yellow arrow is clicked to to restore the track back to default it sets it to zero instea ...

Movement broken for Top Down template for Clients

There is no way to control the player after creating a new top down project (blueprint or code). This should be fixed by [Link Removed] ...

[CRASH]SIGSEGV: invalid attempt to access memory at address 0x0

Callstack: <CALLSTACK START> FTaskThread::ProcessTasksUntilQuit(int) Address = 0x1091943e5 (filename not found) [in UE4Editor-Core.dylib] RenderingThreadMain(FEvent*) Address = 0x10de37e4b (filena ...

Crash importing FBX

User reporting as a 4.7 Bug, but no crash report for this bug available for 4.7. Same bug found reported for 4.6.1: Crash Report: [Link Removed] [Code] <unknown module>! KERNELBASE!RaiseExceptio ...

CRASH: Importing FBX

Crash Report: [Link Removed] [Code] <unknown module>! KERNELBASE!RaiseException() <unknown module>! UE4Editor_Core!FOutputDeviceWindowsError::Serialize() <unknown module>! UE4Editor_Core!FMsg::L ...

CRASH: Importing FBX

Crash Report: [Link Removed] [Code] <unknown module>! KERNELBASE!RaiseException() <unknown module>! UE4Editor_Core!FOutputDeviceWindowsError::Serialize() <unknown module>! UE4Editor_Core!FMsg::L ...