opsin (2.3.1-1) [PTS] [DDPO]

ERROR:

Svn: svn://anonscm.debian.org/debichem/unstable/opsin/
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: http://anonscm.debian.org/viewvc/debichem/unstable/opsin/
Last scan: 2019-04-22 09:00:30+00
Error: svn: E170013: Unable to connect to a repository at URL 'svn://anonscm.debian.org/debichem/unstable/opsin/debian' svn: E000111: Can't connect to host 'anonscm.debian.org': Connection refused
Next scan: 2019-04-23 12:31:00+00

Debian changelog in Svn:

opsin (2.3.1-2) UNRELEASED; urgency=medium

  * 

 -- Debichem Team <debichem-devel@lists.alioth.debian.org>  Wed, 20 Dec 2017 10:41:05 +0100