--- loncom/interface/loncoursedata.pm	2004/06/15 14:12:56	1.135
+++ loncom/interface/loncoursedata.pm	2004/07/06 15:50:03	1.137
@@ -1,6 +1,6 @@
 # The LearningOnline Network with CAPA
 #
-# $Id: loncoursedata.pm,v 1.135 2004/06/15 14:12:56 matthew Exp $
+# $Id: loncoursedata.pm,v 1.137 2004/07/06 15:50:03 matthew Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -2530,7 +2530,15 @@ sub get_response_data {
     #
     &setup_table_names($courseid);
     my $symb_id = &get_symb_id($symb);
+    if (! defined($symb_id)) {
+        &Apache::lonnet::logthis('Unable to find symb for '.$symb.' in '.$courseid);
+        return undef;
+    }
     my $response_id = &get_part_id($response);
+    if (! defined($response_id)) {
+        &Apache::lonnet::logthis('Unable to find id for '.$response.' in '.$courseid);
+        return undef;
+    }
     #
     my $dbh = &Apache::lonmysql::get_dbh();
     return undef if (! defined($dbh));
@@ -2879,7 +2887,7 @@ $ENV{'course.'.$cid.'.domain'}, and $ENV
 
 Returns a reference to a hash which contains:
  keys    '$sname:$sdom'
- values  [$sdom,$sname,$end,$start,$id,$section,$fullname,$status,$type]
+ values  [$sdom,$sname,$end,$start,$id,$section,$fullname,$status,$type,$lockedtype]
 
 The constant values CL_SDOM, CL_SNAME, CL_END, etc. can be used
 as indices into the returned list to future-proof clients against
@@ -2899,6 +2907,7 @@ sub CL_SECTION  { return 5; }
 sub CL_FULLNAME { return 6; }
 sub CL_STATUS   { return 7; }
 sub CL_TYPE     { return 8; }
+sub CL_LOCKEDTYPE   { return 9; }
 
 sub get_classlist {
     my ($cid,$cdom,$cnum) = @_;
@@ -2915,9 +2924,9 @@ sub get_classlist {
         }
         my ($sname,$sdom) = split(/:/,$student);
         my @Values = split(/:/,$info);
-        my ($end,$start,$id,$section,$fullname,$type);
+        my ($end,$start,$id,$section,$fullname,$type,$lockedtype);
         if (@Values > 2) {
-            ($end,$start,$id,$section,$fullname,$type) = @Values;
+            ($end,$start,$id,$section,$fullname,$type,$lockedtype) = @Values;
         } else { # We have to get the data ourselves
             ($end,$start) = @Values;
             $section = &Apache::lonnet::getsection($sdom,$sname,$cid);
@@ -2954,11 +2963,11 @@ sub get_classlist {
             $status='Active';
         }
         $classlist{$student} = 
-            [$sdom,$sname,$end,$start,$id,$section,$fullname,$status,$type];
+            [$sdom,$sname,$end,$start,$id,$section,$fullname,$status,$type,$lockedtype];
     }
     if (wantarray()) {
         return (\%classlist,['domain','username','end','start','id',
-                             'section','fullname','status','type']);
+                             'section','fullname','status','type','lockedtype']);
     } else {
         return \%classlist;
     }