Index: openacs-4/packages/acs-subsite/tcl/group-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-subsite/tcl/group-procs.tcl,v
diff -u -r1.60.2.9 -r1.60.2.10
--- openacs-4/packages/acs-subsite/tcl/group-procs.tcl	25 Aug 2020 13:38:12 -0000	1.60.2.9
+++ openacs-4/packages/acs-subsite/tcl/group-procs.tcl	28 Aug 2020 16:45:59 -0000	1.60.2.10
@@ -138,6 +138,12 @@
     if {$pretty_name ne ""} {
         db_dml title_update "update acs_objects set title = :pretty_name where object_id = :group_id"
     }
+
+    # Make sure the resolving of group id by name has a chance to
+    # include this new group
+    util_memoize_flush_pattern [list group::get_id_not_cached \
+                                    -group_name $group_name]*
+
     return $group_id
 }