Index: openacs-4/packages/notifications/tcl/notification-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/notifications/tcl/notification-procs.tcl,v
diff -u -r1.25 -r1.26
--- openacs-4/packages/notifications/tcl/notification-procs.tcl	11 Sep 2024 06:15:52 -0000	1.25
+++ openacs-4/packages/notifications/tcl/notification-procs.tcl	8 Oct 2024 14:59:22 -0000	1.26
@@ -257,7 +257,7 @@
                         set user_id [lindex $entry 0]
 
                         if { ![info exists subset_member_p($user_id)] || [info exists already_notified_p($entry)] } {
-                            array unset request $entry
+                            unset request($entry)
                         }
                     }
 
@@ -275,9 +275,7 @@
                     foreach entry $already_notified {
                         # If user has already received a notification with the same
                         # interval and delivery method, don't send again
-                        if { [info exists request($entry)] } {
-                            array unset request $entry
-                        }
+                        unset -nocomplain request($entry)
                     }
                 }