That’s weird. You should see an upgrade database notice when you upgraded to PRO version. Could you please tell me the PRO version you used for the upgrade? Could you please try it with the latest version (18.104.22.168)?
The field groups are gone mostly because the database is not upgraded yet as ACF PRO uses different field group structure.
Could you please check this thread about the upgrade notice is not showing up: https://support.advancedcustomfields.com/forums/topic/a-lot-of-weird-things-happening/?
Here’s the solution that works for the thread starter:
I basically activated the new version. Deleted everything that had appeared in the new version field groups. Run
UPDATE wp_options SET option_value = ‘4.4.5’ WHERE option_name = ‘acf_version’
on the database.
Replace ‘4.4.5’ with whatever previous version you were running.
If you want to try it, please backup your site and database first.
Please let me know how it goes 🙂
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