AccessDeniedUser: arn:aws:sts::701984500217:assumed-role/s3readonly-api-gateway/BackplaneAssumeRoleSession is not authorized to perform: s3:ListBucket on resource: "arn:aws:s3:::ats-webhost-sarithm" because no identity-based policy allows the s3:ListBucket action12PM4EQ705423C68UmuPJnha4MQjz+8qSHSeqx9RpYbWLmL9JLrJhMgygTZs6lsSfCWvzGvdHRCSta4bl4ryBW1l0rw=