undefined method `io_class' for -279519369:Fixnum (NoMethodError)

/usr/local/httpd/htdocs/mini/diary/tdiary.rb:845:in `initialize'
/usr/local/httpd/htdocs/mini/diary/tdiary.rb:1421:in `initialize'
/usr/local/httpd/htdocs/mini/diary/tdiary.rb:1498:in `initialize'
/usr/local/httpd/htdocs/mini/diary/index.rb:35