Fatal error: Uncaught Error: Class 'Bitrix\Main\Composite\Helper' not found in /workspace/sites/ceramo.lviv.ua/bitrix/modules/main/lib/composite/responder.php:273 Stack trace: #0 /workspace/sites/ceramo.lviv.ua/bitrix/modules/main/lib/composite/responder.php(27): Bitrix\Main\Composite\Responder::modifyHttpHeaders() #1 /workspace/sites/ceramo.lviv.ua/bitrix/modules/main/include/prolog.php(7): Bitrix\Main\Composite\Responder::respond() #2 /workspace/sites/ceramo.lviv.ua/bitrix/header.php(1): require_once('/workspace/site...') #3 /workspace/sites/ceramo.lviv.ua/about/contacts/index.php(1): require('/workspace/site...') #4 {main} thrown in /workspace/sites/ceramo.lviv.ua/bitrix/modules/main/lib/composite/responder.php on line 273