Fatal error: Uncaught Mpdf\MpdfException: WriteHTML() requires $html be an integer, float, string, boolean or an object with the __toString() magic method. in /var/www/uiscom.ru/www/academiya/instrumenty-marketologa/vendor/mpdf/mpdf/src/Mpdf.php:13213 Stack trace: #0 /var/www/uiscom.ru/www/academiya/instrumenty-marketologa/pdf.php(51): Mpdf\Mpdf->WriteHTML() #1 {main} thrown in /var/www/uiscom.ru/www/academiya/instrumenty-marketologa/vendor/mpdf/mpdf/src/Mpdf.php on line 13213