Index: /branches/eam_branches/ipp-pstamp-20260421/pstamp/scripts/pstampparse.pl
===================================================================
--- /branches/eam_branches/ipp-pstamp-20260421/pstamp/scripts/pstampparse.pl	(revision 43087)
+++ /branches/eam_branches/ipp-pstamp-20260421/pstamp/scripts/pstampparse.pl	(revision 43088)
@@ -546,4 +546,11 @@
             return 0;
         }
+        if (($stage eq "warp") or ($stage eq "stack") or ($stage eq "diff")) {
+	    if (!defined $row->{TESS_ID} or (lc($row->{TESS_ID}) eq "null") or ($row->{TESS_ID} eq "")) {
+		print STDERR "tess_id must be specified for bycoord request from warp, stack, or diff";
+		insertFakeJobForRow($row, 1, $PSTAMP_INVALID_REQUEST);
+		return 0;
+	    }
+        }
     }