A new update is available for SAS Data Integration Studio , version 9.4_M4 :
Connections between work tables and database libraries are incorrectly removed when these objects are included in metadata import processing
Metadata groups do not include a correct list of members when you import to overwrite the group
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.