Subversion Repositories shark

Error running this command: /usr/local/bin/svn --non-interactive --config-dir /tmp log --xml --verbose -r 1197:1 'file:///home/shark/svn/demos/tags/rel_1_2/pse51/ptest4@1197' --limit 2
svn: E160013: File not found: revision 1197, path '/demos/tags/rel_1_2/pse51/ptest4'