Custom Post Type – after disable ‘Add New’, I can’t edit and delete post
Full credit to this answer on Stack Overflow: you need to set the create_posts value to do_not_allow (or false in WordPress versions below 4.5) and crucially set the map_meta_cap to true: register_post_type( ‘custom_post_type_name’, array( ‘capability_type’ => ‘post’, ‘capabilities’ => array( ‘create_posts’ => ‘do_not_allow’, // Prior to WordPress 4.5, this was false ), ‘map_meta_cap’ => true, … Read more