$mform->addElement('header', 'headerparent', get_string('parentcategory', 'grades'));
$options = array();
- $default = '';
+ $default = -1;
$categories = grade_category::fetch_all(array('courseid'=>$COURSE->id));
foreach ($categories as $cat) {
if (count($categories) > 1) {
$mform->addElement('select', 'parentcategory', get_string('parentcategory', 'grades'), $options);
+ $mform->setDefault('parentcategory', $default);
$mform->addElement('static', 'currentparentaggregation', get_string('currentparentaggregation', 'grades'));
}