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 action578E0MZ0Q55Z2P320Tb8hako7u8FP2U9NAPKZbblcqfnYqcRAsffwj7FJUKqX3g52n8I2J2u3ZmzA22DvrQUGPuW9KQ=