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 actionH7HS6PA7ER3HCNAMD2iEg9ic4eeXJI33SHStVBlIHK0IdfkGroMMc/zsniuNSpH05Wd24Q5LClJ2f/xjR/g/Hlrzmyo=