Having the same issue on android, also Uninstalled and reinstalled, with no changes.

I have reinstalled the app and restarted it multiple times. It has not fixed the issue.

Same problem here. On both PC and steam deck. Even after a uninstall/reinstall.

Any solution? After today patch my game is bugged

I can’t open the game after the new update. I have this issue on both iOS and Windows PC.

This is also happening to me after the KTK update.

i also have this happening after the new patch

Same here. Having this issue after the Khans patch.

Same here

Yet another user getting this with the 12/12/23 Khans patch

Happening to me as well after Khan patch. Its happening on both PC and Mobile (iOS). It has nothing to do with my internet connection, that is working fine. I should add, I am getting the error after the initial scene is loaded. I get the waiting for sever screen and then BAM.. error updating data message.

Edit: I was digging through the log files in the \MTGA\MTGA_Data\Logs\Logs directory and found the error below. Something is busted with their server. Now we wait...

[589] [UnityCrossThreadLogger]12/12/2023 5:06:13 PM
Error response for message b5663e92-af31-4605-b915-0027de74e359. Server Error Code: InternalError Message:

I also had my problems begin following the start of maintenance for Khans.

Same problem since Khans update, like for many other players apparently. The usual fixes do not work.

Same issue here, neither resetting or reinstalling helped

Same issue, started this morning (12Dec23) during maintenance.

After today's update, I am not able to log in after launching Arena. It says "Error Updating Data: Please check your connection and try again."

This is happening consistently. This is the 64-bit client on Windows 10 desktop.

I'm also having this issue. This happened right after the latest update.

khan patch did it to mee too, anybody know a fix

This is happening to me now after the Khan's patch today. I've tried all of the available information out there and none of it has worked. Really don't know what to do because I get the same error message on both my PC and phone. Really strange stuff

I cannot sign onto my account no matter which platform I'm one. I've tried logging onto Android and PC and just keep getting the same error message on both platforms. "Error updating data"

"Please check your connection and try adding. "

My internet connection is fine. I've uninstalled and reinstalled mtga on both platforms with no solution in sight.