Support › MB Frontend Submission › Saving CPT with featured image not possibleResolved
Yup, that works. Do you have any idea why the upload media button doesn't work if the ConvertBox script is active? See my reply.
Here is the solution: After embedding the ConvertBox script via the CB WordPress plugin, I was able to deactivate the plugin via the script manager of Perfmatters (MU mode) on the Meta Box frontend submission pages.