Subversion Repositories slepc-dev

Error running this command:

svn --non-interactive --config-dir /tmp log --xml --verbose -r1668:1 --limit 2 'file://localhost/home/slepc/svn/branches/slepc-3_2-branch/COPYING.LESSER@1668'

File not found: revision 1668, path '/branches/slepc-3_2-branch/COPYING.LESSER'