Issue Resolved – Root Cause Identified (GitHub Repository Access)

v0
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Hello Team,

I wanted to provide a clear update regarding the ongoing issues we reported over the past few weeks related to:

  • PR button not working

  • Team members unable to develop

  • Sandbox connection errors

  • Preview access failures

After deeper investigation, we identified the root cause.

Root Cause

Our GitHub repository is private and was under my personal account. While team members had full Vercel workspace access, they were not added as collaborators on the GitHub repository itself.

With the recent v0 beta changes, sandbox mounting and PR functionality appear to rely on per-user GitHub OAuth tokens rather than a workspace-level token.

Because team members did not have GitHub repository access:

  • Sandbox could not mount the repository

  • PR creation failed

  • Preview access failed

  • “Sandbox connection issue” appeared

  • “You do not have access to repository” was triggered internally

Once we added team members as GitHub collaborators and they accepted the invitation:

  • Sandbox mounted successfully

  • PR functionality restored

  • Team members can develop normally

  • Preview access works

  • Deployment flow works

Conclusion

The issue was caused by missing GitHub repository permissions for team members, which became enforced under the newer beta permission model.

Everything is now functioning correctly.

Thank you for your patience and assistance throughout the investigation.

Best regards,
Bila

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Hey! To help debug your v0 project, could you share your v0 chat link?
It looks like https://v0.app/chat/... — you can copy it from your browser’s address bar while in the chat.

You’ll also need to unlist the chat so our team can view it — here’s how: Sharing | v0 Docs

This helps the team reproduce what you’re seeing much faster. Thanks!

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