Wrapping Anything In Retainer Box & Invalidation Box Causes Engine 5.1+ To Crash

Summary

Trying to wrap any element of an editor utility widget with a retainer or invalidation box causes the engine to complete crash, making it impossible to optimize anything

Please select what you are reporting on:

Creative

What Type of Bug are you experiencing?

Assets

Steps to Reproduce

  1. Make any widget
  2. Add an element
  3. Wrap the element in a retainer/invalidation box
  4. Run and engine will crash

Expected Result

Everything should function as expected, just more optimally.

Observed Result

Engine crashes

Platform(s)

Windows

Additional Notes

Submitted an issue for the tracker yet it’s nowhere to be found