Hi @Jonnyphoto ,
Did you resolve your issue?
Please, check on the Facebook:
- The App ID is the same
- The token is the same that you use or the token is expired
- Subscription is activated
- Your app is On
- You activated the "Allow...API"
If this answer resolves your problem, please, make as a solution to help more users.
Can you please share a screenshot of the error if not resolved.