Description

ServerTravel from a map with a GameMode set to Use Seamless Travel and then ServerTravel back from a map without Seamless Travel enabled will crash the editor.

Reproduced in 4.7.1 binary and Main (//depot/UE4/Promotable-CL-2455917)

Unable to include Crash Report... Crash Reporter keeps crashing in Main for me. Crash log attached.

Steps to Reproduce

1. Create a new blank project
2. Save the map as NewMap
3. Create a new GameMode BP
4. In the BP defaults, enable Use Seamless Travel
5. In World Settings, set the GameMode to the new GameMode BP
6. Create a new level
7. Save the level as NewMap2
8. Open NewMap
9. PIE
10. Enter console command, "ServerTravel newmap2"
11. After NewMap2 is loaded, enter console command, "ServerTravel newmap"

Result:
Crash

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Cannot Reproduce
ComponentNetworking
Affects Versions4.74.8
Target Fix4.11
CreatedMar 3, 2015
ResolvedJan 26, 2016
UpdatedApr 27, 2018