Index: trunk/ippScripts/scripts/lap_science.pl
===================================================================
--- trunk/ippScripts/scripts/lap_science.pl	(revision 35810)
+++ trunk/ippScripts/scripts/lap_science.pl	(revision 35853)
@@ -309,4 +309,6 @@
     my $magicDS_update_cmd  = "magicdstool -setfiletoupdate -magic_ds_id $chip_magicDS_id -set_label $label";
     $magicDS_update_cmd    .= " -dbname $dbname " if defined $dbname;
+    my $warptool_preupdate_cmd = "warptool -revertwarped -warp_id $warp_id -fault 26";
+    $warptool_preupdate_cmd .= " -dbname $dbname " if defined $dbname;
     my $warptool_update_cmd = "warptool -setskyfiletoupdate -warp_id $warp_id -set_label $label";
     $warptool_update_cmd   .= " -dbname $dbname " if defined $dbname;
@@ -339,4 +341,12 @@
 # 	        }
 #             }
+        }
+
+
+        ($success, $error_code, $full_buf, $stdout_buf, $stderr_buf ) =
+            run(command => $warptool_preupdate_cmd, verbose => $verbose);
+        unless ($success) {
+            $error_code = (($error_code >> 8) or $PS_EXIT_PROG_ERROR);
+            &my_die("Unable to perform warptool --revertwarped: $error_code", $exposure->{exp_id}, $data_group);
         }