When starting a new project its impossible to access the gitlab editor

Summary

Steps to reproduce

Create a new project in Gitlab
Navigate to the editor or click on create CI/CD

Example Project

Any blank project

What is the current bug behavior?

Its impossible to access the pipeline editor

What is the expected correct behavior?

Pipeline editor would be accessible

Relevant logs and/or screenshots

When I navigate to the pipeline editor I see a 500 error

Output of checks

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)