Fatal error in SystemNoticeService.class.php

In the logs periodically (today and before that September 7, August 31) an Exception occurs, below is the log: [2021-09-13 10:48:53] host: crm-ext.rsrussia.ru url: /admin/users/ajax/statuspult/get/ point: /shop.starter.php data: Array ( [type] => 1 [message] => Uncaught Error: Class 'XShopSystemNotice' not found in /home/www/crmrsrussiaru/web1/web/api/services/SystemNoticeService.class.php:117 Stack trace: #0 /home/www/crmrsrussiaru/web1/web/api/services/SystemNoticeService.class.php(138): SystemNoticeService->getSystemNoticeData('redirect-/admin...') #1 /home/www/crmrsrussiaru/web1/web/packages/Engine/Engine_URLParser.class.php(181): SystemNoticeService->getSystemNoticeDataFromCache('redirect-/admin...') #2 /home/www/crmrsrussiaru/web1/web/packages/Engine/Engine.class.php(114): Engine_URLParser->getMatchURL() #3 /home/www/crmrsrussiaru/web1/web/shop.starter.php(123): Engine->execute() #4 {main} thrown [file] => /home/www/crmrsrussiaru/web1/