A new update is available for Base SAS , version 9.4_M2 :
The error \"Too many files are open\" is logged when you have clustered SAS® Metadata Servers
A security vulnerability exists in SAS® Metadata Server
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.