AccessDeniedUser: arn:aws:sts::196019834636:assumed-role/APIGatewayS3Integration/BackplaneAssumeRoleSession is not authorized to perform: s3:ListBucket on resource: "arn:aws:s3:::s.stcousair.com" because no identity-based policy allows the s3:ListBucket action03RVGYP6XMB39MC7p7lhaz5tOsYquoZw3+pCEKUf3d+1QBhLwPZ2PXF5taVhVAyyq6SKeNDvrvphttTGAJ14SB2H/uV2K80g+T98V8Rke4bN8Ume2+O0dFsaN0c=