Exception raised by tbwiki software

Traceback (most recent call last):
  File "tbwiki.cgi", line 54, in 
    main(req)
  File "/home2/birdorg/work/tbwiki/cgi-bin/tbwiki_engine.py", line 2561, in main
    html = block_to_html(req, page_data)
  File "/home2/birdorg/work/tbwiki/cgi-bin/tbwiki_engine.py", line 1998, in block_to_html
    html += line_to_html(req.state, newline + '\n')
  File "/home2/birdorg/work/tbwiki/cgi-bin/tbwiki_engine.py", line 2064, in line_to_html
    html += call_processor(state.processor, "main", state.req, state.block_content)
  File "/home2/birdorg/work/tbwiki/cgi-bin/tbwiki_engine.py", line 1935, in call_processor
    return processor_func(req, content)
  File "/home2/birdorg/work/tbwiki-data/tbwiki/plugins/ProcessorTable.py", line 15, in main
    result = table.get_table(req, content)
  File "/home2/birdorg/work/tbwiki/cgi-bin/table.py", line 1752, in get_table
    tb = setup_conf_and_db(req, content)
  File "/home2/birdorg/work/tbwiki/cgi-bin/table.py", line 1703, in setup_conf_and_db
    req.page_name, conf)
  File "/home2/birdorg/work/tbwiki/cgi-bin/table.py", line 2703, in get_table_data
    tb.handler.read()
  File "/home2/birdorg/work/tbwiki/cgi-bin/table.py", line 683, in read
    db_from_parsed_files(self.tb, self.data_dir, self.source_spec)
  File "/home2/birdorg/work/tbwiki/cgi-bin/table.py", line 2352, in db_from_parsed_files
    match_spec, debug_data_scan)
  File "/home2/birdorg/work/tbwiki/cgi-bin/data_scan.py", line 523, in scan_attr_db
    file_list = get_filelist(req, data_dir, source_spec)
  File "/home2/birdorg/work/tbwiki/cgi-bin/data_scan.py", line 480, in get_filelist
    full_dir_list = os.listdir(db_dir)
OSError: [Errno 2] No such file or directory: '/home/tbird/work/tbwiki/cgi-bin'