Hi all, thanks for the report. We are aware of this issue and currently looking into it. Updates will be posted here:
https://forums.galaxy-of-heroes.starwars.ea.com/discussion/203057/connection-issues-5-2-2019

Thank you and apologies for the inconvenience.

Hi folks, we just deployed a fix for the connection issues. You should see the issue resolved in the next 30 minutes.