Python Exception Occurred

Traceback (most recent call last):
  File "/usr/local/viewcvs-0.9.3/lib/viewcvs.py", line 2630, in run_cgi
    main()
  File "/usr/local/viewcvs-0.9.3/lib/viewcvs.py", line 2583, in main
    view_directory(request)
  File "/usr/local/viewcvs-0.9.3/lib/viewcvs.py", line 1146, in view_directory
    fileinfo, alltags = get_logs(full_name, rcs_files, view_tag)
  File "/usr/local/viewcvs-0.9.3/lib/viewcvs.py", line 1092, in get_logs
    raise 'error during rlog: '+hex(status)
error during rlog: 0x100