Error code 3.0

Product: Star Wars: Galaxy of Heroes
Platform:Android Phone
What type of device are you experiencing the issue with? Android
OS Version 13
Ally Code: (Find it here: http://bit.ly/AllyCode ) 874-489-922
What type of issue do you have? Other
How often does the bug occur? Every time (100%)
Summarize your bug Constant error code 3.0 for three weeks and tried all troubleshooting methods
Steps: How can we find the bug ourselves?
Connection Type Mobile
Please select your region Asia
Country India

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Three weeks ago, I started to get this error code 3.0 all the time which constantly makes me restart and keeps me out of the game. I tried signing out and sign in, restart the app, uninstall and reinstall the app, restart the device, change password in my ea account but still it is not working. Can someone provide some help?