Top secrets sources NedoPC pentevo

Error running this command: svn --non-interactive --config-dir /tmp/websvn log --xml -r 871:684 'file:///home/dimkam/svns/pentevo/fpga/base_trdemu/trunk/sim_top@871'
svn: E160013: File not found: revision 871, path '/fpga/base_trdemu/trunk/sim_top'