Subversion Repositories public iLand

Error running this command: svn --non-interactive --config-dir /tmp --username '***' --password '***' list --xml -r 308 'http://iland.boku.ac.at/svn/iland/tags/release_1.0/@'
E195012: Unable to find repository location for 'https://iland.boku.ac.at/svn/iland/tags/release_1.0' in revision 308