Problem importing plugins

Exception raised by tbwiki software

Traceback (most recent call last):
  File "/var/www/celinux/cgi-bin/tbwiki.cgi", line 49, in 
    main(req)
  File "/var/www/celinux/home-tbird-work/tbwiki/cgi-bin/tbwiki_engine.py", line 1639, in main
    page_size = os.stat(req.config.data_dir+"pages"+os.sep+req.page_name)[6]
OSError: [Errno 2] No such file or directory: '/var/www/celinux/home-tbird-work/tbwiki-wiki/data/pages/Talk:FrontPage'