1. Unsuported post request
Error message:
Unsupported post request. Object with ID ‘[number]’ does not exist, cannot be loaded due to missing permissions, or does not support this operation. Please read the Graph API documentation at https:\\/\\/developers.facebook.com\\/docs\\/graph-api”
Explanation:
This means the connection between your Instagram business profile and your Facebook page has an issue.
Solution:
Go to the Facebook page that is connected to your IG business profile, click on settings, then Instagram and click on the connect button on the top right corner.
2. Complete page publishing authorization
Error message:
You cannot post to your connected Instagram account until you complete Page Publishing Authorization. Please visit https://www.facebook.com/business/m/one-sheeters/page-publishing-authorization for more information.
Explanation:
This means the connection between your Instagram business profile and your Facebook page has an issue.
Solution:
Go to the Facebook page that is connected to your IG business profile, click on settings, then Instagram and click on the connect button on the top right corner.
3. User access is restricted
Error message:
User access is restricted
Explanation:
This means that Instagram is blocking any kind of publishing until the Instagram user unrestricts himself. Instagram isn't providing any more details, but in the past we have seen that it asks for the date of birth on login. Once provided publishing was reinstated.
Solution:
You should be able to solve it by logging in natively on the Instagram app (on your phone) and completing any kind of questions Instagram will ask you. After that you should be able to publish again.
4. Instagram Business vs Creator account
The user is not an Instagram Business
Explanation:
Instagram only allows business accounts to publish via their API.
Solution:
This publishing error can happen when you switch your Instagram Business Account to an Instagram Creator Account. Publishing on a Creator Account is not available via the Instagram API meaning you need to switch your account back to a Business Account. See Instagram's help article
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