Plugin Error

Errors in plugins? Retry to Update or Configure.

NoMethodError
undefined method `each_section' for nil:NilClass
(plugin/tdiary_toc2.rb):14:in `block (2 levels) in load_plugin'
/home/vette/public_html/108/tdiary/lib/tdiary/plugin.rb:170:in `call'
/home/vette/public_html/108/tdiary/lib/tdiary/plugin.rb:170:in `block in body_leave_proc'
/home/vette/public_html/108/tdiary/lib/tdiary/plugin.rb:169:in `each'
/home/vette/public_html/108/tdiary/lib/tdiary/plugin.rb:169:in `body_leave_proc'
(TDiary::Plugin#eval_src):49:in `eval_src'
/home/vette/public_html/108/tdiary/lib/tdiary/plugin.rb:95:in `eval'
/home/vette/public_html/108/tdiary/lib/tdiary/plugin.rb:95:in `eval_src'
/home/vette/public_html/108/tdiary/lib/tdiary/base.rb:65:in `do_eval_rhtml'
/home/vette/public_html/108/tdiary/lib/tdiary/base.rb:29:in `eval_rhtml'
/home/vette/public_html/108/tdiary/lib/tdiary/view.rb:140:in `eval_rhtml'
/home/vette/public_html/108/tdiary/lib/tdiary/dispatcher/index_main.rb:37:in `run'
/home/vette/public_html/108/tdiary/lib/tdiary/dispatcher/index_main.rb:5:in `run'
/home/vette/public_html/108/tdiary/lib/tdiary/dispatcher.rb:25:in `dispatch_cgi'
index.rb:34:in `<main>'