Engine crashes when adding BP Interface to a BP Component

Development Programming & Scripting Blueprint
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1

I am attempting to implement a Blueprint Interface in one of my Blueprint Actor Components. I am able to implement the interface in the class settings of the Actor Component, but the engine 100% of the time crashes when I subsequently try to compile the Actor Component.

  1. This happens 100% of the time.
    2.This happens with all Interfaces (i have attempted to implement different ones while troubleshooting)
  2. These are both custom BPs I have created, not existing interfaces or components.

This is the crash report:

LoginId:c09235024c3eb1b778f823bed9f0ccfc
EpicAccountId:f823f208dd0a474c87845626e1e41460

Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0xffffffffffffffff

UnrealEditor_CoreUObject
UnrealEditor_CoreUObject
UnrealEditor_CoreUObject
UnrealEditor_CoreUObject
UnrealEditor_CoreUObject
UnrealEditor_CoreUObject
UnrealEditor_Engine
UnrealEditor_Engine
UnrealEditor_Engine
UnrealEditor_UnrealEd
UnrealEditor_UnrealEd
UnrealEditor_UnrealEd
UnrealEditor_Kismet
UnrealEditor_Kismet
UnrealEditor_UnrealEd
UnrealEditor_Kismet
UnrealEditor_Kismet
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor_ApplicationCore
UnrealEditor_ApplicationCore
UnrealEditor_ApplicationCore
UnrealEditor_ApplicationCore
user32
user32
UnrealEditor_ApplicationCore
UnrealEditor
UnrealEditor
UnrealEditor
UnrealEditor
UnrealEditor
UnrealEditor
kernel32
ntdll

Any help is greatly appreciated!

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