--- loncom/interface/lonparmset.pm	2022/02/21 18:21:11	1.522.2.28.4.2
+++ loncom/interface/lonparmset.pm	2022/03/23 17:29:29	1.522.2.28.4.3
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler to set parameters for assessments
 #
-# $Id: lonparmset.pm,v 1.522.2.28.4.2 2022/02/21 18:21:11 raeburn Exp $
+# $Id: lonparmset.pm,v 1.522.2.28.4.3 2022/03/23 17:29:29 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -2673,6 +2673,7 @@ sub assessparms {
         my $chome = $env{'course.'.$env{'request.course.id'}.'.home'};
         my ($got_chostname,$chostname,$cmajor,$cminor);
         my $totalstored = 0;
+        my $totalskippeduser = 0;
         my $now = time;
         for (my $i=0;$i<=$#markers;$i++) {
             my ($needsrelease,$needsnewer,$name);
@@ -2681,6 +2682,11 @@ sub assessparms {
             }
             if ($markers[$i] =~ /\&(6|5|4)$/) {
                 next if ($noeditgrp);
+            } elsif ($markers[$i] =~ /\&(3|2|1)$/) {
+                if ($uname eq '') {
+                    $totalskippeduser ++;
+                    next;
+                }
             }
             if ($markers[$i] =~ /^[\d.]+\&0_availablestudent\&(1|2|3)$/) {
                 my (@ok_slots,@fail_slots,@del_slots);
@@ -2758,9 +2764,27 @@ sub assessparms {
 # ---------------------------------------------------------------- Done storing
         if ($totalstored) {
             $message.='<p class="LC_warning">'
+                     .&mt('Changes for [quant,_1,parameter] saved.',$totalstored)
+                     .'<br />'
                      .&mt('Changes can take up to 10 minutes before being active for all students.')
                      .&Apache::loncommon::help_open_topic('Caching')
                      .'</p>';
+        } else {
+            $message.='<p class="LC_info">'.&mt('No parameter changes saved.').'</p>';
+        }
+        if ($totalskippeduser) {
+            $message .= '<p class="LC_warning">';
+            if ($uhome eq 'no_host') {
+                $message .= &mt('Changes for [quant,_1,user-specific parameter] not saved because the username or ID was invalid.',
+                                $totalskippeduser);
+            } elsif ($env{'form.userroles'} eq 'any') {
+                $message .= &mt('Changes for [quant,_1,user-specific parameter] not saved because the user does not have a course role.',
+                                $totalskippeduser);
+            } else {
+                $message .= &mt('Changes for [quant,_1,user-specific parameter] not saved because the user is not a student.',
+                                $totalskippeduser);
+            }
+            $message .= '</p>';
         }
     }
 #----------------------------------------------- if all selected, fill in array