AccessDeniedUser: arn:aws:sts::196019834636:assumed-role/APIGatewayS3Integration/BackplaneAssumeRoleSession is not authorized to perform: s3:ListBucket on resource: "arn:aws:s3:::s.stcousair.com" because no identity-based policy allows the s3:ListBucket actionV2X7RHYF6A54C3EVCGMazTJz42bWdk8OX3iwRy1SJ6HoKOI0qncbEi8adTF+vaioLErgD0oS0/nzdXw/VtlJRUcqmfVkzRzHJ1Kp8QCgkMgA4fTA4sp6OpM43Ic=