Subversion Repositories public iLand

Error running this command: svn --non-interactive --config-dir /tmp --username '***' --password '***' log --xml --verbose -r 504:1 'http://iland.boku.ac.at/svn/iland/tags/release_1.0/src/iland/iland.pro@504' --limit 2
svn: E160013: '/svn/iland/!svn/rvr/504/tags/release_1.0/src/iland/iland.pro' path not found