Template Admin Error

Summary

Error 500 at /admin

Steps to reproduce

• Upgrade to latest version
• Click on admin dashboard
• Raise a 500 error

What is the current bug behavior?

Error 500: unable to load dashboard

What is the expected correct behavior?

Show the admin dashboard

Relevant logs

sudo gitlab-ctl tail

Relevant logs

==> /var/log/gitlab/gitlab-rails/production.log <==
Completed 500 Internal Server Error in 1710ms (ActiveRecord: 93.8ms)
  
ActionView::Template::Error (undefined method `becomes' for nil:NilClass):
    174:             %h4 Latest projects
    175:             - @projects.each do |project|
    176:               %p
    177:                 = link_to project.full_name, [:admin, project.namespace.becomes(Namespace), project], class: 'str-truncated-60'
    178:                 %span.light.float-right
    179:                   #{time_ago_with_tooltip(project.created_at)}
    180:       .col-md-4

Details of package version

Gitlab Community Edition on Debian 9 gitlab-ce 11.6.0-ce.0 amd64 GitLab Community Edition (including NGINX, Postgres, Redis)

Environment details

• Operating System: Debian 9
• Installation Target, remove incorrect values:
  • VPS
  • Installation Type, remove incorrect values:
  • Upgrade from version 11.5
• Is there any other software running on the machine: No
• Is this a single or multiple node installation? Single
• Resources
  • CPU: 8GB
  • Memory total: 200

Fixing it:

edit /opt/gitlab/embedded/service/gitlab-rails/app/views/admin/dashboard/index.html.haml l.177 Replace

= link_to project.full_name, [:admin, project.namespace.becomes(Namespace), project], class: 'str-truncated-60'

by

= link_to project.full_name, [:admin, project.becomes(Namespace), project], class: 'str-truncated-60'