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 action9RDYASHAHMT3J9TNg3PAEyEZaX1ZobGU25KEs0wh5QO+AXaSYVsH03WwVMTWRxmB9dzOwHdjsrVaN5ewkg+9P/c4ucaRNHRzz4oHXxxT1yPIrzP/