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 actionX87GXZ3BY9XH6NC92H27A3d7+5N87BOX2ULKkUvLzx0cV9oqiXINKZGHSmuW2IJaJ37lQneW56UUjtl3rYTP16PEVHw=