GitLab Redirect URI for project import invalid

I created my own GitLab CE Instance and want to setup the importer for my projects from

I followed all steps from Integrate your server with | GitLab (which are quite unclear in my opinion) but when I click on “” in the Import Project View I get redirected to with the error “The redirect URI included is not valid.”
I tried various solutions from google (like adding a / at the end) but none of them worked.


These are my callback URLs (with domain censored). Using https:// didn’t work as well.

The same error occurs when trying to sign up with gitlab.