Catchable fatal error: Argument 1 passed to MW_WP_Form_Exec_Shortcode::__construct() must be an instance of WP_Post, null given, called in /home/users/2/main.jp-562546085fede02f/web/wp-content/plugins/mw-wp-form/classes/controllers/class.main.php on line 70 and defined in /home/users/2/main.jp-562546085fede02f/web/wp-content/plugins/mw-wp-form/classes/services/class.exec-shortcode.php on line 52