Error after Update to V18.0.2

Hi there,

in my logging i have an error i cannot understand what this means. can anybody help me?
Heres the error message…

[no app in context] Error: OCP\AppFramework\QueryException: Could not resolve OCA\Provisioning_API\Controller\UsersController! Class OCA\Settings\Mailer\NewUserMailHelper does not exist at <>

  1. /home/sites/site100016535/web/website.tld/nextcloud/lib/private/AppFramework/Utility/SimpleContainer.php line 115
    OC\AppFramework\Utility\SimpleContainer->resolve(“OCA\Provisioni … r”)
  2. /home/sites/site100016535/web/website.tld/nextcloud/lib/private/AppFramework/DependencyInjection/DIContainer.php line 415
    OC\AppFramework\Utility\SimpleContainer->query(“OCA\Provisioni … r”)
  3. /home/sites/site100016535/web/website.tld/nextcloud/lib/private/AppFramework/DependencyInjection/DIContainer.php line 386
    OC\AppFramework\DependencyInjection\DIContainer->queryNoFallback(“OCA\Provisioni … r”)
  4. /home/sites/site100016535/web/website.tld/nextcloud/lib/private/AppFramework/App.php line 112
    OC\AppFramework\DependencyInjection\DIContainer->query(“OCA\Provisioni … r”)
  5. /home/sites/site100016535/web/website.tld/nextcloud/lib/private/AppFramework/Routing/RouteActionHandler.php line 47
    OC\AppFramework\App::main(“OCA\Provisioni … r”, “getUsersDetails”, OC\AppFramework\ … {}, {_route: "ocs.pr … "})
  6. <>
    OC\AppFramework\Routing\RouteActionHandler->__invoke({_route: "ocs.pr … "})
  7. /home/sites/site100016535/web/website.tld/nextcloud/lib/private/Route/Router.php line 299
    call_user_func(OC\AppFramework\ … {}, {_route: "ocs.pr … "})
  8. /home/sites/site100016535/web/website.tld/nextcloud/ocs/v1.php line 82
    OC\Route\Router->match("/ocsapp/cloud/users/details")
  9. /home/sites/site100016535/web/website.tld/nextcloud/ocs/v2.php line 24
    require_once("/home/sites/sit … p")

GET /ocs/v2.php/cloud/users/details?offset=0&limit=25&search=
from 46.125.250.100 by lpoadmin at 2020-03-18T18:33:35+00:00