Subversion Repositories public iLand

Error running this command: svn --non-interactive --config-dir /tmp --username '***' --password '***' list --xml -r 600 'http://iland.boku.ac.at/svn/iland/tags/release_1.0/@1222'
E195012: Unable to find repository location for 'https://iland.boku.ac.at/svn/iland/tags/release_1.0' in revision 600