AccessDeniedUser: arn:aws:sts::196019834636:assumed-role/APIGatewayS3Integration/BackplaneAssumeRoleSession is not authorized to perform: s3:ListBucket on resource: "arn:aws:s3:::k.stcousair.com" because no identity-based policy allows the s3:ListBucket actionE9EMMZ6Y4VRZRANT3ONW23uVBL5uuIQ8eA88Kx6zteO6Ak0OIgnRWSw4xdr4kDpSzwuBhEm+CIQ22l0DlYXFbZY5TFIgGHcbxlxGhZ1IXF01+VqHaVW4gVrOLOk=