Subversion Repositories bacoAlunos

Error running this command: svn --non-interactive --config-dir /tmp log --xml --verbose -r 1270:1235 'file:///SVN/bacoAlunos/branches/v3/impl/src/java/pt@1270'
svn: File not found: revision 1270, path '/branches/v3/impl/src/java/pt'