Copilot app: "Couldn't add this repository" for personal, private, renamed repo

[MisinformedDNA]

🏷️ Discussion Type

Bug

💬 Feature/Topic Area

Apps

Body

When trying to add a private repo, I get the error:

The account requested for MisinformedDNA/sonopiq is not signed in on github.com.

The account is the only GitHub account, has no organization, and the repo was renamed recently (few days).

I was able to add a different private repo on my account.

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[TongyiDai]

Because another private repository on the same personal account can be added, this is not a general sign-in or plan failure. The recent rename makes a stale repository identity in the Copilot repository-access selection the strongest testable explanation.

Try this sequence:

1. Open Settings → Copilot → Coding agent and inspect Repository access.
2. If access is “Only selected repositories,” remove the old repository entry if it is still present, save, then select MisinformedDNA/sonopiq under its current name and save again.
3. Sign out of the Copilot app and GitHub, sign back into the same MisinformedDNA account, then retry adding the repository from its current URL.
4. Confirm the repository is not owned by a managed-user account and that Coding agent is not disabled for it.

Do not rename the repository back merely to test this. If the current repository does not appear in the repository picker, or reselecting it still produces the old-account wording, capture the old name, new name, repository ID, rename time, and error time for Support. That would indicate the Copilot app's authorization record has not followed the rename, which only GitHub can repair.

[MisinformedDNA]

It was already set to "All repositories". I logged out and back in (again) on the Copilot app and it still errors out.

It's my personal repo; no managed users and I'm the owner and only user. Copilot works in IDEs and via github.com, just not the Copilot app.

Old name: song-royale
New name: sonopiq
Repo ID: 1056276308
Rename date: Sept 8, 2026, or earlier (not sure)
Error time: Sept 16, 2026 9:36am (Central Time) and multiple times earlier and yesterday.

Is there a way to create a support ticket or do I just leave the info here?

[TongyiDai]

@MisinformedDNA Yes—at this point a Support ticket is appropriate. Go to https://support.github.com/, sign in with the same personal account (MisinformedDNA), and under How can we help? choose a Copilot topic or open a support ticket.

The current GitHub support documentation says the ticket link is shown when the account uses a paid GitHub product or belongs to an organization using one. Because you use Copilot, sign in first so the portal can detect that entitlement. If the portal still does not offer a ticket form, keep this Discussion as the product-feedback record; community members cannot repair the repository identity mapping.

For the ticket, include:

• the exact error text;
• old name: MisinformedDNA/song-royale;
• current name: MisinformedDNA/sonopiq;
• repository ID: 1056276308;
• the approximate rename date and error timestamps with time zone;
• that repository access is set to All repositories;
• that another private repository works;
• that signing out and back in did not help;
• the Copilot app version and operating system;
• a screenshot with sensitive data redacted.

Ask Support to check whether the Copilot app still has a stale repository/account mapping for repository ID 1056276308 after the rename. Since the repository ID is stable across renames and only the app fails, this is more actionable than another local authorization reset.

Official ticket instructions: https://docs.github.com/en/support/contacting-github-support/creating-a-support-ticket