Subversion Repositories WebE

Error running this command: svn --non-interactive --config-dir /tmp list --xml -r 19 'file:////home/mw3020/f001/svn/FFHS/WebE/trunk/src/ch/ffhs/webE/web@'
warning: W160013: File not found: revision 38, path '/trunk/src/ch/ffhs/webE/web'<br />
E200009: Could not list all targets because some targets don't exist