I have the same problem and I could not solve, do you have solved it? If yes, you’d be kind enough to tell me how you did it?
Thanks a lot !!
I used a css “display: none” but i want feel free to click on the checkbox to hide or show the featured image, is it possible?
Try to open a Portfolio element (http://i.imgur.com/Xa2PVSy.jpg) click on update e watch what happen !!
I have the same problem and only if i disable the Akismet plugin, Avia editor works again, I tried to put the string in the wp-confg but it does not work anyway. I have the last version of wordpress 4.1 as that of Enfold 3.0.5.