I use GitLab Community Edition 9.1.3 2e4e522 on Windows 10 Pro x64. With Git client.
Error
Cloning into \'project_name\'...
remote: HTTP Basic: Access de
Go to your Credential manager => git credentials Check your git credentials and check your password.
This worked for me.
alternatively you can set remote to http by using this command in the existing repo, and use this command git remote set-url origin https://gitlab.com/[username]/[repo-name].git