A new update is available for Base SAS , version 9.4_M6 :
SAS Note 70497 | A PROC SQL GROUP BY clause might return incorrect results and \"The query requires remerging summary statistics back with the original data\" |
This list of notes might be incomplete. For a complete list of issues addressed by this hot fix, visit the hot fix page for D9T154 |
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.