how to query order by a numeric ACF field

I created a query for the custom post type of “departments” the query gets me every department with ACF field “type\_of\_cetifecate” = “bach” and with a certain category id, until this point everything is working fine, but when I try to sort the query by certain numeric acf fields the query doesn’t work, my code so far:

$bachelor= new wp_Query(array(
‘post_type’ => ‘departments’,
‘posts_per_page’ => -1,
‘meta_key’ => ‘new_price’,
‘orderby’ => ‘meta_value_num’,
‘order’ => ‘DESC’,
‘category__and’ => get_field(‘category_id’),
‘meta_key’ => ‘type_of_cetifecate’,
‘meta_value’=> ‘bach’ )); ?>


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