Using the CPT - Custom Post Type UI plugin to create Custom Post Types

cpt.php

function cptui_register_my_cpts() {

	/**
	 * Post Type: Nettmagasin.
	 */

	$labels = array(
		"name" => __( "Nettmagasin", "tm-beans" ),
		"singular_name" => __( "Nettmagasin", "tm-beans" ),
		"all_items" => __( "Alle Nettmag tekster", "tm-beans" ),
		"archives" => __( "Nettmagasin arkiv", "tm-beans" ),
	);

	$args = array(
		"label" => __( "Nettmagasin", "tm-beans" ),
		"labels" => $labels,
		"description" => "",
		"public" => true,
		"publicly_queryable" => true,
		"show_ui" => true,
		"show_in_rest" => true,
		"rest_base" => "",
		"has_archive" => "nettmagasin-arkiv",
		"show_in_menu" => true,
		"show_in_nav_menus" => true,
		"exclude_from_search" => false,
		"capability_type" => "post",
		"map_meta_cap" => true,
		"hierarchical" => true,
		"rewrite" => array( "slug" => "nettmagasin", "with_front" => true ),
		"query_var" => true,
		"menu_position" => 5,
		"menu_icon" => "dashicons-calendar-alt",
		"supports" => array( "title", "editor", "thumbnail", "excerpt", "custom-fields", "comments", "revisions", "author" ),
		"taxonomies" => array( "nettmagasin_kategorier", "nettmagasin_stikkord" ),
	);

	register_post_type( "nettmagasin", $args );

	/**
	 * Post Type: Edwien.
	 */

	$labels = array(
		"name" => __( "Edwien", "tm-beans" ),
		"singular_name" => __( "Edwien", "tm-beans" ),
		"menu_name" => __( "Edwien", "tm-beans" ),
		"all_items" => __( "Alle Edwiens tekster", "tm-beans" ),
		"archives" => __( "Edwiens arkiv", "tm-beans" ),
	);

	$args = array(
		"label" => __( "Edwien", "tm-beans" ),
		"labels" => $labels,
		"description" => "Edwiens Tekster",
		"public" => true,
		"publicly_queryable" => true,
		"show_ui" => true,
		"show_in_rest" => true,
		"rest_base" => "",
		"has_archive" => "edwiens-arkiv",
		"show_in_menu" => true,
		"show_in_nav_menus" => true,
		"exclude_from_search" => false,
		"capability_type" => "post",
		"map_meta_cap" => true,
		"hierarchical" => true,
		"rewrite" => array( "slug" => "edwien", "with_front" => true ),
		"query_var" => true,
		"menu_position" => 5,
		"menu_icon" => "dashicons-admin-users",
		"supports" => array( "title", "editor", "thumbnail", "excerpt", "author" ),
		"taxonomies" => array( "edwien_kategori", "edwien_stikkord" ),
	);

	register_post_type( "edwien", $args );
}

add_action( 'init', 'cptui_register_my_cpts' );

Post meta is not showing up on the custom archive or single custom post pages.

and