Child actor component crashing the editor.

Development Pipeline & Plugins Editor Scripting
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  1. Create two actor blueprints (ActorA, ActorB)
  2. Add a child actor component to ActorA. Set the child actor class to ActorB.
  3. Add a variable to ActorB of type ActorA.
  4. Compile, save, and restart the editor.
  5. Attempt to open either blueprint. This results in an editor crash.
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Hey mattypoo,

This is actually the same crash I just reported a few minutes ago, but with a slightly different repro. Here is a link to the tracker so you can keep an eye on the issue’s status: Unreal Engine Issues and Bug Tracker (UE-39323)

I’ve updated the ticket with your repro as well.

Thanks for your report.

Have a great day!