Peter
I'm currently seeing this same issue and I have Preview Targets set for all sections. Craft version: 3.5.11.1 (Pro) SEO version: 3.6.6 PHP version: 7.4.9 Database driver & version: MySQL...
The issue appears to be here. When I step through, I see that `window.draftEditor` produces an object but `de` remains undefined for some reason.  ### Stack Trace ``` SEO:...
Thanks @masix ! I just tried that out and it gets me around the issue. Plugin works like a charm now.