Fatal error: Uncaught Error: Class 'app\models\BitrixCrm\EntityService\BaseService' not found in /var/www/up.arbitr-dolg.ru/models/BitrixCrm/EntityService/Crm/Activity.php:7 Stack trace: #0 {main} thrown in /var/www/up.arbitr-dolg.ru/models/BitrixCrm/EntityService/Crm/Activity.php on line 7