Sort course category filter in alphabetical manner

1)Add this code in wplms-customizer plugin->wplms-customizer.php or in functions.php of child theme

add_filter('wplms_course_filters_course_cat','sort_order_by_name');

function sort_order_by_name($arr){

$arr=array('orderby'=>'name','order'=>'ASC','parent'=>0);
return $arr;
}