Problem with logging into the Bitrix admin panel?

Question

1C-Bitrix

Error when logging into admin

[Error] 
Class 'Bitrix\Sender\Integration\Seo\Ads\Service' not found (0)
/var/www/www-root/data/www/site.ru/bitrix/modules/sender/admin/menu.php:75
#0: include
  /var/www/www-root/data/www/site.ru/bitrix/modules/main/interface/admin_lib.php:919
#1: CAdminMenu->_IncludeMenu(string)
  /var/www/www-root/data/www/site.ru/bitrix/modules/main/interface/admin_lib.php:689
#2: CAdminMenu->Init(array)
  /var/www/www-root/data/www/site.ru/bitrix/modules/main/interface/desktop.php:6
#3: require(string)
  /var/www/www-root/data/www/site.ru/bitrix/admin/index.php:2

Before that, there was a problem with caching and there was not enough space. Now the cache is cleared manually, but there is no access to the admin panel