Index: trunk/ippScripts/scripts/stack_skycell.pl
===================================================================
--- trunk/ippScripts/scripts/stack_skycell.pl	(revision 13119)
+++ trunk/ippScripts/scripts/stack_skycell.pl	(revision 13120)
@@ -89,5 +89,5 @@
     $inputList .= "$uri ";
     if (defined $tess_id) {
-	&my_die("Tesselation identifiers don't match", $diff_id, $PS_EXIT_SYS_ERROR) unless
+	&my_die("Tesselation identifiers don't match", $stack_id, $PS_EXIT_SYS_ERROR) unless
 	    $file->{tess_id} eq $tess_id;
     } else {