NOTE that this error doesn't occur for class blueprints (and trying to duplicate them), or after you remove the delegate reroute node.

Steps to Reproduce
  1. In a level Blueprint, create the graph pictured in the attached image
  2. Make sure there is a reroute node between the custom event and binding
  3. Save the level
  4. In the content browser, right click on the level and select 'duplicate'
  5. Name the new level and hit enter
  6. Observe as the new level attempts to save

RESULT: A GLEO error pops up, saying the level wasn't able to save

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Fix Commit3140694
Main Commit3177563
Release Commit3159180
CreatedAug 19, 2016
ResolvedOct 12, 2016
UpdatedApr 27, 2018