scoticus

I, too, am having this problem. I am running WP 4.3.1. The bulk of my site utilizes content via ACF. Now when I am in the Dashboard, whenever I click Add New (for post, page, whatever) the dashboard just hangs and the spinner just spins.

Also, if I open a published post to edit it, it never really opens. The spinner just spins, for many minutes.

I have managed this site (for a client, by the way) since June and it worked fine. Now I cannot make any updates. Please help!

Geoffrey,

Thanks so much for pointing that out. I will pursue that now. Thanks again.