A new update is available for Data Integration Studio , version 4.901 :
Disabling a cube in SAS® OLAP Cube Studio or SAS® Data Integration Studio might fail if you are using a load-balanced SAS® OLAP Server
Metadata support for SAS/ACCESS® Interface to Amazon Redshift
Note: A comprehensive list of all SAS hot fixes is available from support.sas.com. You can use the SAS Hot Fix Analysis, Download, and Deployment (SASHFADD) tool to manage your SAS hot fixes.