Subversion Repositories shark

Error running this command: /usr/local/bin/svn --non-interactive --config-dir /tmp list --xml -r 1555 'file:///home/shark/svn/demos/trunk/first@1613'
warning: W160013: File not found: revision 1613, path '/demos/trunk/first'<br />
E200009: Could not list all targets because some targets don't exist