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 action2VXVZ0RMME0K0Q6XI6tk9vOL+hcdOoS54j5EmXLHimdH/0olsyns/aN9tBqaIDX+GVDgkGK/LGV14/r2d6K83aGjd+Ejxt0R/Ubp91Xgfr/k8BEq