Plugin Error

Errors in plugins? Retry to Update or Configure.

NoMethodError
undefined method `popen' for TDiary::IO:Module
(plugin/geshi.rb):27:in `geshi_parse'
(plugin/geshi.rb):35:in `geshi'
(TDiary::Plugin#eval_src):133:in `eval_src'
/home/takano32/var/www/tdiary/vendor/bundle/gems/tdiary-5.0.10/lib/tdiary/plugin.rb:95:in `eval'
/home/takano32/var/www/tdiary/vendor/bundle/gems/tdiary-5.0.10/lib/tdiary/plugin.rb:95:in `eval_src'
/home/takano32/var/www/tdiary/vendor/bundle/gems/tdiary-5.0.10/lib/tdiary/base.rb:65:in `do_eval_rhtml'
/home/takano32/var/www/tdiary/vendor/bundle/gems/tdiary-5.0.10/lib/tdiary/base.rb:29:in `eval_rhtml'
/home/takano32/var/www/tdiary/vendor/bundle/gems/tdiary-5.0.10/lib/tdiary/view.rb:140:in `eval_rhtml'
/home/takano32/var/www/tdiary/vendor/bundle/gems/tdiary-5.0.10/lib/tdiary/dispatcher/index_main.rb:37:in `run'
/home/takano32/var/www/tdiary/vendor/bundle/gems/tdiary-5.0.10/lib/tdiary/dispatcher/index_main.rb:5:in `run'
/home/takano32/var/www/tdiary/vendor/bundle/gems/tdiary-5.0.10/lib/tdiary/dispatcher.rb:25:in `dispatch_cgi'
/home/takano32/var/www/tdiary/vendor/bundle/gems/tdiary-5.0.10/lib/tdiary/dispatcher.rb:20:in `call'
/home/takano32/var/www/tdiary/vendor/bundle/gems/rack-2.0.6/lib/rack/urlmap.rb:68:in `block in call'
/home/takano32/var/www/tdiary/vendor/bundle/gems/rack-2.0.6/lib/rack/urlmap.rb:53:in `each'
/home/takano32/var/www/tdiary/vendor/bundle/gems/rack-2.0.6/lib/rack/urlmap.rb:53:in `call'
/home/takano32/var/www/tdiary/vendor/bundle/gems/tdiary-5.0.10/lib/tdiary/rack/valid_request_path.rb:15:in `block in call'
/home/takano32/var/www/tdiary/vendor/bundle/gems/tdiary-5.0.10/lib/tdiary/rack/valid_request_path.rb:14:in `each'
/home/takano32/var/www/tdiary/vendor/bundle/gems/tdiary-5.0.10/lib/tdiary/rack/valid_request_path.rb:14:in `call'
/home/takano32/var/www/tdiary/vendor/bundle/gems/tdiary-5.0.10/lib/tdiary/rack/static.rb:14:in `call'
/home/takano32/var/www/tdiary/vendor/bundle/gems/tdiary-5.0.10/lib/tdiary/rack/html_anchor.rb:19:in `call'
/home/takano32/var/www/tdiary/vendor/bundle/gems/rack-2.0.6/lib/rack/urlmap.rb:68:in `block in call'
/home/takano32/var/www/tdiary/vendor/bundle/gems/rack-2.0.6/lib/rack/urlmap.rb:53:in `each'
/home/takano32/var/www/tdiary/vendor/bundle/gems/rack-2.0.6/lib/rack/urlmap.rb:53:in `call'
/home/takano32/var/www/tdiary/vendor/bundle/gems/rack-2.0.6/lib/rack/urlmap.rb:68:in `block in call'
/home/takano32/var/www/tdiary/vendor/bundle/gems/rack-2.0.6/lib/rack/urlmap.rb:53:in `each'
/home/takano32/var/www/tdiary/vendor/bundle/gems/rack-2.0.6/lib/rack/urlmap.rb:53:in `call'
/home/takano32/var/www/tdiary/vendor/bundle/gems/tdiary-5.0.10/lib/tdiary/application.rb:57:in `call'
/home/takano32/var/www/tdiary/vendor/bundle/gems/rack-2.0.6/lib/rack/reloader.rb:45:in `call'
/home/takano32/var/www/tdiary/vendor/bundle/gems/rack-2.0.6/lib/rack/tempfile_reaper.rb:15:in `call'
/home/takano32/var/www/tdiary/vendor/bundle/gems/rack-2.0.6/lib/rack/lint.rb:49:in `_call'
/home/takano32/var/www/tdiary/vendor/bundle/gems/rack-2.0.6/lib/rack/lint.rb:37:in `call'
/home/takano32/var/www/tdiary/vendor/bundle/gems/rack-2.0.6/lib/rack/show_exceptions.rb:23:in `call'
/home/takano32/var/www/tdiary/vendor/bundle/gems/rack-2.0.6/lib/rack/common_logger.rb:33:in `call'
/home/takano32/var/www/tdiary/vendor/bundle/gems/rack-2.0.6/lib/rack/chunked.rb:54:in `call'
/home/takano32/var/www/tdiary/vendor/bundle/gems/rack-2.0.6/lib/rack/content_length.rb:15:in `call'
/home/takano32/var/www/tdiary/vendor/bundle/gems/puma-3.12.0/lib/puma/configuration.rb:225:in `call'
/home/takano32/var/www/tdiary/vendor/bundle/gems/puma-3.12.0/lib/puma/server.rb:658:in `handle_request'
/home/takano32/var/www/tdiary/vendor/bundle/gems/puma-3.12.0/lib/puma/server.rb:472:in `process_client'
/home/takano32/var/www/tdiary/vendor/bundle/gems/puma-3.12.0/lib/puma/server.rb:332:in `block in run'
/home/takano32/var/www/tdiary/vendor/bundle/gems/puma-3.12.0/lib/puma/thread_pool.rb:133:in `block in spawn_thread'