Xcode 16.1 can't load the Account information in VM

I have a MacMini M2 machine running Sequoia 15.1 OS. On this machine, I am running a Virtual Machine, utilizing the Virtualization.Framework, with the same OS version, 15.1.

Logging into my account in the System Settings is successful. Next, I need to add my account in Xcode 16.1. While the initial login is successful, Xcode immediately displays the following error:

Decoding Error.

There was a failure decoding response: (HTTP 401, 60 bytes) The data couldn’t be read because it isn’t in the correct format.

As a result, I cannot see any account information, teams, etc.

A very similar bug has been reported at this issue - https://developer.apple.com/forums/thread/759877, but there has been no progress or updates there.

Is there any chance to fix this and get it working?

Answered by DTS Engineer in 812403022
While the initial login is successful, Xcode immediately displays the following error: Decoding Error.

Yes. I’ve seen exactly the same behaviour. I discussed this with various folks here at Apple and it seems that Virtualization and Xcode are doing the right thing here, but we need to fix something on the Developer website (well, its back-end infrastructure).

I filed my own bug about this and it was closed as a dup of the main bug we’re using to track this (r. 131573827). I don’t have any info to share as to when that’ll be fixed. But, like you, I’m hoping for sooner rather than later.

Share and Enjoy

Quinn “The Eskimo!” @ Developer Technical Support @ Apple
let myEmail = "eskimo" + "1" + "@" + "apple.com"

Accepted Answer
While the initial login is successful, Xcode immediately displays the following error: Decoding Error.

Yes. I’ve seen exactly the same behaviour. I discussed this with various folks here at Apple and it seems that Virtualization and Xcode are doing the right thing here, but we need to fix something on the Developer website (well, its back-end infrastructure).

I filed my own bug about this and it was closed as a dup of the main bug we’re using to track this (r. 131573827). I don’t have any info to share as to when that’ll be fixed. But, like you, I’m hoping for sooner rather than later.

Share and Enjoy

Quinn “The Eskimo!” @ Developer Technical Support @ Apple
let myEmail = "eskimo" + "1" + "@" + "apple.com"

I have the same issue

I am getting the same issue.

I am also getting the same error, please resolve

I have Xcode 16.0 that runs into the same error as well

Same issue

Come on guys, let's fix that

Also experiencing this

Just got this error now and can't upload build

Developers must have a Mac, to distribute apps, make sense

FB: FB15543380

Same here

@DTS Engineer Hey Do you have any updates on the estimated timeline for fixing this?

Do you have any updates on the estimated timeline for fixing this?

I can’t predict the future, alas, and my management gets grumpy if I pretend otherwise.

Share and Enjoy

Quinn “The Eskimo!” @ Developer Technical Support @ Apple
let myEmail = "eskimo" + "1" + "@" + "apple.com"

Xcode 16.1 can't load the Account information in VM
 
 
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