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 actionE50DF0S1SYNG0ZTRyBYMz9/mW5d1L4HJpmZUUdlYCfvDgQBFpb56gO7fvOIq2QRRF6UJTnFJZZ+1/A91AcXcUDA2H+M=