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 action9PS6AAQEE6Q3JZYP/UIKVZbhaQmz8N0cf2jj+JXNxwRwM1D5MDze/1x2ec6wISsYxGiM8tLqfyCQLZGWdXNlmWg99K4=