xcffib (0.8.1-0.8) [PTS] [DDPO]

ERROR:

Git: https://anonscm.debian.org/git/collab-maint/xcffib.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.
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Branch: master
Path: debian/changelog
Browser: https://anonscm.debian.org/cgit/collab-maint/xcffib.git
Last scan: 2021-01-18 09:04:01+00
Error: fatal: repository 'https://anonscm.debian.org/git/collab-maint/xcffib.git/' not found
Next scan: 2021-01-19 06:30:00+00

Debian changelog in Git:

xcffib (0.5.1-1) unstable; urgency=medium

  * New upstream version (Closes: #839760, #839314, #866543)
  * Removed redundant patch for big-endian architecture support
    (now supported upstream)
  * Added new build dependencies for libghc-{either,semigroups}-dev
  * Dropped unneeded python{,3}-dev build dependencies (Closes: #866544)

 -- Iain R. Learmonth <irl@debian.org>  Fri, 14 Jul 2017 23:17:41 +0100

This branch is even with tag debian/0.5.1-1