当我尝试编辑网站上的帖子或页面时，出现以下错误：
https://www.dropbox.com/s/6d2m9v1xbz6zsdb/Screen%20Shot%202020-11-30%20at%201.54.08%20PM.png?dl=0
点击“尝试恢复”没有任何反应。点击“复制错误”后，显示的内容如下：
TypeError: Cannot read property 'split' of undefined
at DiscourseSidebar.buildPostState (https://mysite.com/wp-content/plugins/wp-discourse/admin/discourse-sidebar/build/index.js?ver=1606753320:1211:41)
at DiscourseSidebar.initializePostState (https://mysite.com/wp-content/plugins/wp-discourse/admin/discourse-sidebar/build/index.js?ver=1606753320:1192:43)
at new DiscourseSidebar (https://mysite.com/wp-content/plugins/wp-discourse/admin/discourse-sidebar/build/index.js?ver=1606753320:1124:29)
at Ag (https://mysite.com/wp-includes/js/dist/vendor/react-dom.min.js?ver=16.9.0:63:107)
at Vg (https://mysite.com/wp-includes/js/dist/vendor/react-dom.min.js?ver=16.9.0:89:442)
at ph (https://mysite.com/wp-includes/js/dist/vendor/react-dom.min.js?ver=16.9.0:217:70)
at lh (https://mysite.com/wp-includes/js/dist/vendor/react-dom.min.js?ver=16.9.0:126:409)
at O (https://mysite.com/wp-includes/js/dist/vendor/react-dom.min.js?ver=16.9.0:121:71)
at ze (https://mysite.com/wp-includes/js/dist/vendor/react-dom.min.js?ver=16.9.0:118:14)
at https://mysite.com/wp-includes/js/dist/vendor/react-dom.min.js?ver=16.9.0:53:49
我已经进行了故障排查：如果禁用除 WP-Discourse 之外的所有其他插件和主题，问题仍然存在；但如果启用除 WP-Discourse 之外的所有其他插件和主题，网站则运行正常。
我使用的是最新版本的 WordPress 和 WP-Discourse。
有什么建议吗？