A new update is available for SAS Middle Tier , version 9.4_M1 :
Results are incorrect when you use the operator EXACTLY MATCHES in the custom details of SAS® Marketing Automation
Executing more than one communication in SAS® Customer Intelligence might fail with a java.util.ConcurrentModificationException
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.