Pagination (page/2/) Category/archive 404 not working WordPress

 

Pagination (page/2/) Category/archive 404 not working WordPress

 

/*** CATEGORY PAGINATION FIX ***/

function modify_cat_query( $query ) {
  if (!is_admin() && $query->is_tax("category_name")){     //(category_name) taxonomy name like categories etc.
       $query->set('posts_per_page', 2);
  }
}
add_action( 'pre_get_posts', 'modify_cat_query' );

Note: (category_name) taxonomy name like categories etc.