Plugin Error

Errors in plugins? Retry to Update or Configure.

NoMethodError
undefined method `wikipedia' for //n:Regexp
(TDiary::Plugin#eval_src):38:in `block in eval_src'
/home/socodanet/local/tdiary/tdiary-v5.0.4/lib/tdiary/plugin.rb:106:in `eval'
/home/socodanet/local/tdiary/tdiary-v5.0.4/lib/tdiary/plugin.rb:106:in `block in eval_src'
/home/socodanet/local/tdiary/tdiary-v5.0.4/lib/tdiary/core_ext.rb:120:in `block in safe'
/home/socodanet/local/tdiary/tdiary-v5.0.4/lib/tdiary/core_ext.rb:122:in `safe'
/home/socodanet/local/tdiary/tdiary-v5.0.4/lib/tdiary/plugin.rb:105:in `eval_src'
/home/socodanet/local/tdiary/tdiary-v5.0.4/lib/tdiary/base.rb:65:in `do_eval_rhtml'
/home/socodanet/local/tdiary/tdiary-v5.0.4/lib/tdiary/base.rb:29:in `eval_rhtml'
/home/socodanet/local/tdiary/tdiary-v5.0.4/lib/tdiary/view.rb:140:in `eval_rhtml'
/home/socodanet/local/tdiary/tdiary-v5.0.4/lib/tdiary/dispatcher/index_main.rb:37:in `run'
/home/socodanet/local/tdiary/tdiary-v5.0.4/lib/tdiary/dispatcher/index_main.rb:5:in `run'
/home/socodanet/local/tdiary/tdiary-v5.0.4/lib/tdiary/dispatcher.rb:25:in `dispatch_cgi'
/home/socodanet/local/tdiary/tdiary-v5.0.4/index.rb:32:in `<top (required)>'
/home/socodanet/local/rbenv/versions/2.4.1/lib/ruby/2.4.0/rubygems/core_ext/kernel_require.rb:55:in `require'
/home/socodanet/local/rbenv/versions/2.4.1/lib/ruby/2.4.0/rubygems/core_ext/kernel_require.rb:55:in `require'
index.rb:4:in `<main>'