Subversion Repositories shark

Error running this command: /usr/local/bin/svn --non-interactive --config-dir /tmp log --xml --verbose -r 1123:1 'file:///home/shark/svn/demos/tags/rel_0_3/oldexamples/block@1123' --limit 2
svn: E160013: File not found: revision 1123, path '/demos/tags/rel_0_3/oldexamples/block'