This should not be effecting you, simply because it’s working for you on one site and not another, but what is the priority of your acf/save_post filter?
Welcome
Welcome to the Advanced Custom Fields community forum.
Browse through ideas, snippets of code, questions and answers between fellow ACF users
We use cookies to offer you a better browsing experience, analyze site traffic and personalize content. Read about how we use cookies and how you can control them in our Cookie Policy. If you continue to use this site, you consent to our use of cookies.