MDL-62011 course: Approval of a course request fails

course/lib.php

@@ -2988,6 +2988,8 @@ class course_request {
     public function approve() {
         global $CFG, $DB, $USER;
 
+        require_once($CFG->dirroot . '/backup/util/includes/restore_includes.php');
+
         $user = $DB->get_record('user', array('id' => $this->properties->requester, 'deleted'=>0), '*', MUST_EXIST);
 
         $courseconfig = get_config('moodlecourse');
@@ -3022,6 +3024,8 @@ class course_request {
             $data->enddate        = usergetmidnight(time()) + $courseconfig->courseduration;
         }
 
+        list($data->fullname, $data->shortname) = restore_dbops::calculate_course_names(0, $data->fullname, $data->shortname);
+
         $course = create_course($data);
         $context = context_course::instance($course->id, MUST_EXIST);