Subversion Repositories LCARS

Error running this command: svn --non-interactive --config-dir /tmp log --xml --verbose -r 72:72 'file:////home/mw3020/f001/svn/LCARS/trunk/application/layouts/index/index.phtml@72' --limit 1
svn: E160013: File not found: revision 72, path '/trunk/application/layouts/index/index.phtml'