st1300

一つ一つ確認しながら、手動アップデートまで行いましたが、以下のエラーが表示されるだけで解消しませんでした

Warning: call_user_func_array() expects parameter 1 to be a valid callback, function 'wp_enable_block_templates' not found or invalid function name in /export/sd221/www/jp/r/e/gmoserver/7/6/sd1136976/b1mt.club/wordpress-5.3.1-ja-jetpack_webfont-undernavicontrol/wp-includes/class-wp-hook.php on line 303

Fatal error: Uncaught Error: Call to undefined function locate_block_template() in /export/sd221/www/jp/r/e/gmoserver/7/6/sd1136976/b1mt.club/wordpress-5.3.1-ja-jetpack_webfont-undernavicontrol/wp-includes/template.php:66 Stack trace: #0 /export/sd221/www/jp/r/e/gmoserver/7/6/sd1136976/b1mt.club/wordpress-5.3.1-ja-jetpack_webfont-undernavicontrol/wp-includes/template.php(135): get_query_template('404') #1 /export/sd221/www/jp/r/e/gmoserver/7/6/sd1136976/b1mt.club/wordpress-5.3.1-ja-jetpack_webfont-undernavicontrol/wp-includes/template-loader.php(81): get_404_template() #2 /export/sd221/www/jp/r/e/gmoserver/7/6/sd1136976/b1mt.club/wordpress-5.3.1-ja-jetpack_webfont-undernavicontrol/wp-blog-header.php(19): require_once('/export/sd221/w...') #3 /export/sd221/www/jp/r/e/gmoserver/7/6/sd1136976/b1mt.club/index.php(17): require('/export/sd221/w...') #4 {main} thrown in /export/sd221/www/jp/r/e/gmoserver/7/6/sd1136976/b1mt.club/wordpress-5.3.1-ja-jetpack_webfont-undernavicontrol/wp-includes/template.php on line 66