nitrogen (1.6.1-2) [PTS] [DDPO]

ERROR:

Git: https://anonscm.debian.org/git/collab-maint/nitrogen.git
Enter a full Vcs-* header, supported schemes are: Vcs-Bzr, Vcs-Cvs, Vcs-Darcs, Vcs-Git, Vcs-Hg, Vcs-Mtn, Vcs-Svn.
For Vcs-Git append -b branch to select the branch name; append [subdir] if the debian/ directory is not in the repository root.
The next upload will reset the information from the source package headers.
Path: debian/changelog
Browser: https://anonscm.debian.org/cgit/collab-maint/nitrogen.git
Last scan: 2021-08-01 07:17:10+00
Error: fatal: repository 'https://anonscm.debian.org/git/collab-maint/nitrogen.git/' not found
Next scan: 2021-08-02 08:16:00+00