Index: moodle/mod/lamslesson/preview.php
===================================================================
diff -u -r5977cea84c5550b8300ed41bf8ce6482ef7b6326 -r9686837f46502c86035ec52f8ccab391e2aaa2e3
--- moodle/mod/lamslesson/preview.php	(.../preview.php)	(revision 5977cea84c5550b8300ed41bf8ce6482ef7b6326)
+++ moodle/mod/lamslesson/preview.php	(.../preview.php)	(revision 9686837f46502c86035ec52f8ccab391e2aaa2e3)
@@ -46,7 +46,7 @@
 if ($canmanage) {
 
   // Get a lessonID from LAMS first
-  $lessonID = lamslesson_get_lesson($USER->username, $ldId, $course->id, 'preview', 'preview', LAMSLESSON_PARAM_PREVIEW_METHOD, $USER->country, $USER->lang,''); 
+  $lessonID = lamslesson_get_lesson($USER->username, $ldId, $course->id, 'preview', 'preview', null, LAMSLESSON_PARAM_PREVIEW_METHOD, $USER->country, $USER->lang,''); 
 
   // With the lesson now we put together the URL 
   $learnerurl = lamslesson_get_url($USER->username, $USER->firstname, $USER->lastname, $USER->email, $USER->lang, $USER->country, $lessonID, $course->id, $course->fullname, $course->timecreated, LAMSLESSON_PARAM_LEARNER_METHOD);