Our site has been working fine in the last week. Today, I can't add a new page to our menu. Clicking "Add to Menu" just produces a spinning icon that never disappears.
If I look at the Chrome console, I see:
POST https://www.example.com/wp-admin/admin-ajax.php?_fs_blog_admin=true 404 (Not Found)
There are no restrictions on
I've Googled for this problem but most Q&A post relate to custom ajax calls.
In our case we're not making custom ajax calls.
Troubleshooting steps appreciated.
PS - I am waiting on the web host to check if
mod_security is causing this issue.