That was funny, I was using disassembly and I came up with 0x80070057, which I don’t know is correct or not:
But I did found the logs, a lot easier I might add, and the below shows what was available:
[2017.06.14-23.47.04:183] 0]LogOnline:Warning: LIVE: No SecureDeviceAssociationTemplateName specified in the engine ini file.
[2017.06.14-23.47.04:183] 0]LogOnline:Warning: LIVE: FOnlineAchievementsLive: Failed to find json OSS achievements config: ../../../LongshotHero/Config/OSS/Live/Achievements.json
[2017.06.14-23.47.04:677] 0]LogOnline:Warning: LIVE: FOnlineSessionLive::GetSessionSettings: couldn't find session 'Game'
“Error in SystemUI” was not found. I’m still searching.