Failed to fork repository

🐛 bug report

Preflight Checklist

• I have read the Contributing Guidelines for this project.
• I agree to follow the Code of Conduct that this project
  adheres to.
• I have searched the issue tracker for an issue that matches the one I want
  to file, without success.

Description of the problem

When creating a fork from above modal, after clicking Fork repository button, an error banner appears at the bottom right of page with this error content:

Failed to fork repository
{"message":"Request failed with status code 502","name":"Error","stack":"@https://codesandbox.io/static/js/vendors~app.f0d671724.chunk.js?_sw-precache=de922f4367705102d5655319d33e93d5:1:410398\n@https://codesandbox.io/static/js/vendors~app.f0d671724.chunk.js?_sw-precache=de922f4367705102d5655319d33e93d5:1:412984\n@https://codesandbox.io/static/js/vendors~app.f0d671724.chunk.js?_sw-precache=de922f4367705102d5655319d33e93d5:1:405347\nr@https://codesandbox.io/static/js/common.ab3c7e841.chunk.js?_sw-precache=8b427389c6cc5351c0a64c0205fd1cf0:1:202007","config":{"url":"/api/beta/fork/github/chromedp/docker-headless-shell","method":"post","data":"{\"name\":\"docker-headless-shell\",\"team_id\":\"cd035ffd-e63d-48fd-b793-9e3e4614abc8\"}","headers":{"Accept":"application/json, text/plain, */*","Content-Type":"application/json;charset=utf-8","x-codesandbox-client":"legacy-web"},"transformRequest":[null],"transformResponse":[null],"timeout":0,"xsrfCookieName":"XSRF-TOKEN","xsrfHeaderName":"X-XSRF-TOKEN","maxContentLength":-1}}

How has this issue affected you? What are you trying to accomplish?

To Reproduce

Link to sandbox: link (optional)

Your Environment

Start with the fork flow that calls the POST /api/beta/fork/github/{repository} endpoint from the repository-fork modal. Reproduce the 502 response using the repository and team data shown in the report, then trace whether the failure is in the client request or the fork service. Done means the repository can be forked successfully and the error banner no longer appears.