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
Im my case i was using Git Credential Manager for Windows (it was installed by default, I didn't install it manually)
Credentials Manager had saved my old password but i changed it lately.
If you are in the same conditions, to solve this problem: Go to Control Panel -> Credentials Manager and delete git account. After that it will ask you again for the credentials.