[2020] GAC disappearing after joining

DESCRIPTION: - Player report that they joined Grand Arena. Then once the matchmaking was done and the setup phase started, the event disappeared for them and they weren’t able to enter or participate in any rounds.

REPORT: https://forums.galaxy-of-heroes.starwars.ea.com/discussion/213131/gac-still-having-issues-when-the-very-thing-you-report-on-happens-to-you

Ticket # 79013