@ -892,7 +892,7 @@ class GradebookUtils
$t = Database::get_main_table(TABLE_MAIN_GRADEBOOK_CATEGORY);
$sql = "SELECT * FROM $t
WHERE course_code = '".$courseInfo['real_id']."' ";
WHERE c_id = '".$courseInfo['real_id']."' ";
if (!empty($session_id)) {
$sql .= " AND session_id = ".(int) $session_id;
} else {