MPDF в бизнес процессах

include($_SERVER["DOCUMENT_ROOT"]."/mpdf/mpdf.php");
CModule::IncludeModule("bizproc");
$html = '<div>Здесь содержимое PDF в виде html-кода.<br>Проверка файла.</div>';

//настройки для работы с кириллическими символами
$mpdf = new mPDF('utf-8', 'A4', '10', 'Arial');
$mpdf->charset_in = 'utf-8'; 

//генерируем PDF
$mpdf->WriteHTML($html);
$myfile = $mpdf->Output('', 'S');
$rootActivity = $this->GetRootActivity();
$rootActivity->SetVariable("pdf",$myfile);

[Bitrix\Main\DB\ConnectionException] 
Sphinx connect error: Ошибка подключения (No route to host). (400)
/home/bitrix/www/bitrix/modules/search/tools/sphinx.php:74
#0: CSearchSphinx->connect(string, string)
    /home/bitrix/www/bitrix/modules/search/classes/general/full_text.php:25
#1: CSearchFullText::getInstance()
    /home/bitrix/www/bitrix/modules/search/classes/general/search.php:1411
#2: CAllSearch::Index(string, integer, array, boolean)
    /home/bitrix/www/bitrix/modules/iblock/classes/general/iblockelement.php:5339
#3: CAllIBlockElement->UpdateSearch(integer)
    /home/bitrix/www/bitrix/modules/iblock/classes/general/iblockelement.php:3521
#4: CAllIBlockElement->Add(array, boolean, boolean, boolean)
    /home/bitrix/www/bitrix/components/bitrix/lists.element.edit/component.php:788
#5: include(string)
    /home/bitrix/www/bitrix/modules/main/classes/general/component.php:604
#6: CBitrixComponent->__includeComponent()
    /home/bitrix/www/bitrix/modules/main/classes/general/component.php:663
#7: CBitrixComponent->includeComponent(string, array, object)
    /home/bitrix/www/bitrix/modules/main/classes/general/main.php:1039
#8: CAllMain->IncludeComponent(string, string, array, object)
    /home/bitrix/www/bitrix/components/bitrix/lists/templates/.default/list_element_edit.php:18
#9: include(string)
    /home/bitrix/www/bitrix/modules/main/classes/general/component_template.php:725
#10: CBitrixComponentTemplate->__IncludePHPTemplate(array, array, string)
    /home/bitrix/www/bitrix/modules/main/classes/general/component_template.php:820
#11: CBitrixComponentTemplate->IncludeTemplate(array)
    /home/bitrix/www/bitrix/modules/main/classes/general/component.php:745
#12: CBitrixComponent->showComponentTemplate()
    /home/bitrix/www/bitrix/modules/main/classes/general/component.php:693
#13: CBitrixComponent->includeComponentTemplate(string)
    /home/bitrix/www/bitrix/components/bitrix/lists/component.php:367
#14: include(string)
    /home/bitrix/www/bitrix/modules/main/classes/general/component.php:604
#15: CBitrixComponent->__includeComponent()
    /home/bitrix/www/bitrix/modules/main/classes/general/component.php:663
#16: CBitrixComponent->includeComponent(string, array, boolean)
    /home/bitrix/www/bitrix/modules/main/classes/general/main.php:1039
#17: CAllMain->IncludeComponent(string, string, array, boolean)
    /home/bitrix/www/bizproc/processes/index.php:21
#18: include_once(string)
    /home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:159
#19: include_once(string)
    /home/bitrix/www/bitrix/urlrewrite.php:2