So then it comes down to when the field group is defined. I don’t see any reason that you would get the warning/error on the acf/pre_load_value hook other than the field group/fields not being defined before the hook occurs.
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.