Casting to ParentActor in ChildActor corrupts BP

Development Programming & Scripting
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  1. Blueprint A uses Blueprint B as a ChildActor.
  2. Blueprint B uses the node “GetParentActor” and casts to A.
  3. Blueprint B gets corrupted 100% of the time (but works until restarting the engine) and the engine crashes everytime it tries to open it or a map with either A or B in it. At least a warning would be nice; ensuring the functionality without corrupting the BP would be even better.

.log file

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Was already reported: Unreal Engine Issues and Bug Tracker (UE-39323)