Subversion Repositories PanPlaces

Error running this command: svn --non-interactive --config-dir /tmp/websvn --password '***' log --xml --limit 2 -r 50:1 'http://metaly.net/svn/pp/panplaces/panplaces/build/panplaces-sdl.exe@50'
svn: '/svn/pp/!svn/bc/50/panplaces/panplaces/build/panplaces-sdl.exe' path not found