file missing in cxref

[vb@…]

vb@mnementh:~ % port search cxref
cxref @1.6d (devel)
    C program cross-referencing & documentation tool
vb@mnementh:~ % sudo port install cxref
Password:
--->  Computing dependencies for cxref
--->  Fetching archive for cxref
--->  Attempting to fetch cxref-1.6d_0.darwin_16.x86_64.tbz2 from https://packages.macports.org/cxref
--->  Attempting to fetch cxref-1.6d_0.darwin_16.x86_64.tbz2 from http://nue.de.packages.macports.org/cxref
--->  Attempting to fetch cxref-1.6d_0.darwin_16.x86_64.tbz2 from http://lil.fr.packages.macports.org/cxref
--->  Fetching distfiles for cxref
--->  Attempting to fetch cxref-1.6d.tgz from https://distfiles.macports.org/cxref
--->  Attempting to fetch cxref-1.6d.tgz from http://nue.de.distfiles.macports.org/cxref
--->  Attempting to fetch cxref-1.6d.tgz from http://lil.fr.distfiles.macports.org/cxref
--->  Attempting to fetch cxref-1.6d.tgz from http://mse.uk.distfiles.macports.org/sites/distfiles.macports.org/cxref
--->  Attempting to fetch cxref-1.6d.tgz from http://www.gedanken.demon.co.uk/download-cxref/
--->  Verifying checksums for cxref
Error: Checksum (rmd160) mismatch for cxref-1.6d.tgz
Error: Checksum (sha256) mismatch for cxref-1.6d.tgz
***
The non-matching file appears to be HTML. See this page for possible reasons
for the checksum mismatch:
<https://trac.macports.org/wiki/MisbehavingServers>
***
The file has been moved to: /opt/local/var/macports/distfiles/cxref/cxref-1.6d.tgz.html
Error: org.macports.checksum for port cxref returned: Unable to verify file checksums
Please see the log file for port cxref for details:
    /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_devel_cxref/cxref/main.log
To report a bug, follow the instructions in the guide:
    http://guide.macports.org/#project.tickets
Error: Processing of port cxref failed
vb@mnementh:~ % sudo port install cxref                                                                             ⏎
--->  Computing dependencies for cxref
--->  Verifying checksums for cxref
Error: org.macports.checksum for port cxref returned: cxref-1.6d.tgz does not exist in /opt/local/var/macports/distfiles/cxref
Please see the log file for port cxref for details:
    /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_devel_cxref/cxref/main.log
To report a bug, follow the instructions in the guide:
    http://guide.macports.org/#project.tickets
Error: Processing of port cxref failed
vb@mnementh:~ %                                                                                                     ⏎