Unreal Engine Issues

UE-28844

Traveling away from, then back to the original map in multi-process PIE with the editor as a client causes an assert

Traveling away from, then back to the original map in multi-process PIE with the editor as a client causes an assert

Developer Notes

This issue has been closed as 'Won't Fix' due to an extended period of time without updates. If this issue is important to you please let us know by posting on the AnswerHub or UDN, and Epic will re-open the ticket for further review.

UDN
Description

An assert is triggered in this case because in multi-process PIE, if the editor is a client, the PIEInstance of the world context remains at -1 (see UEditorEngine::PlayInEditor). If this client instance later travels to another map and disconnects from the server, the PIEInstance isn't updated but the WorldType remains PIE, causing the editor to attempt to rename packages, and asserting when the PIEInstance is still -1.

Steps to Reproduce

See UDN post

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Won't Fix
ComponentUE - Networking
Affects Versions4.10
CreatedMar 28, 2016
ResolvedFeb 14, 2017
UpdatedApr 27, 2018