Subversion Repositories WebE

Error running this command: svn --non-interactive --config-dir /tmp log --xml --verbose -r 26:1 'file:////home/mw3020/f001/svn/FFHS/WebE/trunk/src/ch/ffhs/webE/action/UserForm.java@26' --limit 2
svn: E160013: File not found: revision 26, path '/trunk/src/ch/ffhs/webE/action/UserForm.java'