CPT while loop not working

Question

I am having problems getting anything out of this while loop:

<ul>
    <?php
    $query_args = array(
        'post_type' => 'Smart panels',
        'posts_per_page' => 5,
        'orderby' => 'meta_value_num',
        'meta_key' => 'post_views_count'
    );
    $query = new WP_Query($query_args);
    while($query->have_posts()) : $query->the_post();

        echo "<li>post</li>";

    endwhile; 
    ?>
</ul>

Answer 1

Your post type is all wrong. Custom post type names cannot contain spaces or camelcase, also names should not contain special characters. Custom post type names, and for that matter, custom taxonomy names should be all lowercase letters, and names must only be separated by underscores (_)

Have a look at the $post_type parameter in register_post_type

$post_type

(string) (required) Post type. (max. 20 characters, can not contain capital letters or spaces)

Default: None