Importing GitLab project results in "429 Too many requests received." error

Summary

Importing a project from "GitLab export" results in an "429 Too many requests received." error.

Steps to reproduce

  • Create a new project
  • Click on "Import project"
  • Click on "GitLab export"

What is the current bug behavior?

Cannot import a project but get "429 Too many requests received." error.

What is the expected correct behavior?

Allows me to import a project, i.e., select a tar.gz file

Relevant logs and/or screenshots

Screenshot_2019-11-26_at_09.21.27

Output of checks

This bug happens on GitLab.com

Results of GitLab environment info

Expand for output related to GitLab environment info 
(For installations with omnibus-gitlab package run and paste the output of:
sudo gitlab-rake gitlab:env:info)


(For installations from source run and paste the output of:
sudo -u git -H bundle exec rake gitlab:env:info RAILS_ENV=production)

Results of GitLab application Check

Expand for output related to the GitLab application check 
(For installations with omnibus-gitlab package run and paste the output of:
sudo gitlab-rake gitlab:check SANITIZE=true)


(For installations from source run and paste the output of:
sudo -u git -H bundle exec rake gitlab:check RAILS_ENV=production SANITIZE=true)


(we will only investigate if the tests are passing)

Possible fixes

(If you can, link to the line of code that might be responsible for the problem)