We're continuing to see increased error rates when publishing to Facebook and/or Instagram. Facebook has updated their status page in regards to the issue within their API and we're continuing to watch for news of a fix. A link to their status page is included below:
Facebook and Instagram are experiencing issues that also affect your scheduled posts via Buffer, hence your scheduled Facebook and Instagram posts might not publish successfully. We are investigating this on our side and will keep you updated here. We're so sorry for the inconvenience!
Posted Mar 13, 2019 - 10:10 PDT
This incident affected: Buffer Publish (Social Network Integrations).