References for an actor blueprint appears to becomes invalid in the level blueprint when making changes to the actor's blueprint. This leads to an access none error. It seems that the actor reference becomes outdated.

Steps to Reproduce
  1. Down load the attached project
  2. Open the project
  3. Play in Editor
  4. Take note of the print sting that fires
  5. Open "NewBlueprint1"
  6. Add a variable
  7. Compile and save
  8. Play in Editor

Result: The print sting no longer fires and the upon ending PIE, an access none error is given
Expected: The blueprint would update with any changes that were made and would remain valid

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ComponentUE - Gameplay - Blueprint
Affects Versions4.17
Target Fix4.17
Fix Commit3545592
Main Commit3596628
Release Commit3545592
CreatedJul 19, 2017
ResolvedJul 20, 2017
UpdatedApr 27, 2018