@@ -31,7+31,7 @@ function xmldb_book_upgrade($oldversion) {
$dbman = $DB->get_manager();
if ($oldversion < 2004081100) {
- new upgrade_exception('mod_book', $oldversion, 'Can not upgrade such an old book module, sorry, you should have upgraded it long time ago in 1.9 already.');
+ throw new upgrade_exception('mod_book', $oldversion, 'Can not upgrade such an old book module, sorry, you should have upgraded it long time ago in 1.9 already.');