IPv6 not supported
Magic the Gathering Arena fails to connect to servers when a network supports IPv6. Disabling IPv6 on my machine allows me to connect; however, in the year 2024, you should have servers that support IPv6.
6
votes
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zan#42275
commented
I also received the "Error updating data" on login, relaunch did not resolve the problem. As with the other users, disabling ipv6 on my network connection fixes the issue. I was able to re-enable ipv6 and launch the game successfully.
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pchc_lx#20903
commented
Just ran into this issue Feb 2025. Found the fix via a year-old Reddit post https://old.reddit.com/r/MagicArena/comments/1ahykkq/psa_fix_to_error_updating_data/
Why does this bug still exist a year later?