Hello,
I recently ran an update on my WordPress site that included a few plugin updates and WP Update to 4.4.
Apart of this was:
Advanced Access Manager https://wordpress.org/support/topic/not-able-to-add-links-to-content?replies=7#post-7764724
Yoast SEO
I posted over in the support thread for Advanced Access Manager and the plugin owner checked it out and posted this back:
“This is a very interesting case. Apparently Yoast plugin expects always to have its metabox WordPress SEO by Yoast and does not take in consideration the case that it can be filtered.
Based on your settings, you filter this metabox for your custom post type “Proposal Items”. Yoast on its side triggers javascript errors that do not allow to initiate the page properly. When you do not filter this metabox, everything goes normal.”
Any help on this matter would be greatly appreciated.
https://wordpress.org/plugins/wordpress-seo/