id,summary,reporter,owner,description,type,status,priority,milestone,component,version,resolution,keywords,cc 16895,Cannot read property 'blockLimit' of null when clicking combo box,Tade0,,"== Steps to reproduce == 1. Consider this jsFiddle: https://jsfiddle.net/12o9kyr6/ 2. Switch to source mode. 3 Delete all contents. 4. Switch back to WYSIWYG mode, but don't focus the editor. 5. Click any of the combo boxes. == Expected result == Combo box is opened, no error thrown. == Actual result == Combo box is opened, but an error is thrown: {{{ Uncaught TypeError: Cannot read property 'blockLimit' of null at CKEDITOR.style.checkApplicable (ckeditor.js:484) at $.onOpen (ckeditor.js:980) at $.e.onShow (ckeditor.js:787) at $.showBlock (ckeditor.js:692) at Object.execute (ckeditor.js:784) at $. (ckeditor.js:784) at ckeditor.js:31 at Object.callFunction (ckeditor.js:31) at HTMLAnchorElement.onclick ((index):1) }}} == Other details (browser, OS, CKEditor version, installed plugins) == ",Bug,closed,Normal,,General,,duplicate,,