Yes, unfortunately, this is a current bug in Airtable.
The best workaround is to use Fillout’s advanced forms for Airtable, but there is a whole thread here showing how to workaround it in Airtable by either changing your users’ permissions or changing your form’s permissions. This thread also discusses the Fillout workaround as well:
Hope this helps! If you’d like to hire the best Airtable consultant to help you with anything Airtable-related, please feel free to contact me through my website: Airtable consultant — ScottWorld
Try logging out of Airtable on that account or logging in on a different Airtable account to see whether that helps! Also try updating the share type to ‘Anyone on the web’
Is this still not working for you ​@Mark_Newton?
If this persists you might want to reach out to support@airtable.com
Mike, Consultant @ Automatic Nation