“Invalid Facebook token found, you must re-approve our app to access your Facebook account to create ads for you.”
What it means: The session has been invalidated because the user changed their password or Facebook has changed the session for security reasons, leading to invalidation of the token we have.
How to resolve: Disconnect Facebook account in the FFM workstation and reconnect again so we that the token is updated and valid.
“No beneficiary indicated: Select the person or organization benefiting from this ad set.”
What it means: Beneficiary and payer information is required for all new or edited ads targeting the EU or its associated territories. Without this information, your ad cannot be published.
How to resolve: Refer to this article https://www.facebook.com/business/help/605021638170961
“Conversion Spec Targets Invalid ID: You are targeting an ID in your conversion spec without admin permissions on that object.”
What it means: You may not have Admin access to the Facebook Business Page you are running ads with. Or, if you recently created a Facebook Business Page, you may need to wait longer for Meta to give full permissions for Audience targeting.
How to resolve: Make sure you have admin permissions to the Facebook page associated with your Meta Business Manager.
“Sorry, something went wrong. We’re working on getting this fixed as soon as we can.”
What it means: This is likely originating on Meta’s side. You can reference this site for more information on outages https://downdetector.com/status/facebook/
#2654 No permission on event source: Do not have audience creation permission on one or more event sources
What it means: You likely have a business account that is new to Facebook Products.
How to resolve: After several weeks of following Facebook policies, this issue should be fixed automatically.
#2654 Source is Too Small: People choose a source that includes at least 100 people in the same country.
What it means: This is likely related to a Lookalike Audience. Meta requires that there are at least 100 people in the LAL from the same country; if your source audience is based in multiple countries, you need at least 100 people from the same country to use these parameters for a LAL. Facebook generally recommends a source audience between 1,000-5,000 people.
How to resolve: After several weeks of following Facebook policies, this issue should be fixed automatically.
For anything else you are encountering that isn’t listed above, you can refer to Facebook’s documentation here:
https://developers.facebook.com/docs/marketing-api/error-reference/