Python Exception Occurred

Traceback (most recent call last):
  File "/group/hallc/www/hallcweb/apps/viewcvs-0.9.2/lib/viewcvs.py", line 2732, in run_cgi
    main()
  File "/group/hallc/www/hallcweb/apps/viewcvs-0.9.2/lib/viewcvs.py", line 2685, in main
    view_directory(request)
  File "/group/hallc/www/hallcweb/apps/viewcvs-0.9.2/lib/viewcvs.py", line 1144, in view_directory
    fileinfo, alltags = get_logs(full_name, rcs_files, view_tag)
  File "/group/hallc/www/hallcweb/apps/viewcvs-0.9.2/lib/viewcvs.py", line 1091, in get_logs
    raise 'error during rlog: '+hex(status)
TypeError: exceptions must be old-style classes or derived from BaseException, not str