Thursday, October 02, 2014

Unable to get property 'setState' of undefined or null reference in ckeditor.js

I’ve been working on the latest and greatest Business Optix product which dynamically creates lots and lots of HTML controls, some of which are CKEditor controls. Whilst testing the app and quickly navigating around it, I started getting an error “Unable to get property 'setState' of undefined or null reference” coming from deep in the bowels of CKEditor. Google astonishingly turned up nothing, but I remembered I’ve had trouble in the past with CKEditor when I didn’t explicitly destroy the editors. The fix was simple, like this

for (name in CKEDITOR.instances) {