wordpressでデータを呼びだすときにエラーが出ます。解決したいのですが、わかる方いらっしゃいますか？ ちなみにこれはエラーは出ません。 ------------ global $wpdb; $mylink = $wpdb->get_row("SELECT * FROM $wpdb->posts WHERE ID = 1"); echo $mylink->post_title; ------------ Simple Membership – Form Builder Addonが作成したテーブル（ed_swpm_form_builder_custom）から値を呼びたいのですが.. global $wpdb; $mylink = $wpdb->get_row("SELECT * FROM $wpdb->swpm_form_builder_custom WHERE value_id = 10"); echo $mylink->field_id; ------------ Notice: Undefined property: wpdb::$swpm_form_builder_custom in /home/arth/domains/hromf.com/public_html/e-doc/wp-includes/wp-db.php on line 648 WordPress データベースエラー: [You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'WHERE value_id = 10' at line 1] SELECT * FROM WHERE value_id = 10 Notice: Trying to get property 'field_id' of non-object in /home/arth/domains/hromf.com/public_html/e-doc/wp-content/themes/edoc/templates/profile.php on line 23 よろしくお願いします。