When PIE is selected certain objects that are created at runtime have scene components that give log warnings in the Output Log.
Effected objects include GameSession and GameNetworkManager
1. Open new third person template project
2. Navitage to Window->Development Tools->Output Logs to show output logs
Warnings about "Natively added scene components" appear in output log
Head over to the existing AnswerHub thread and let us know what's up.