Undefined index: expression [conf.import.php:200 ? CFrontendApiWrapper->import() ? CApiWrapper->__call() ? CFrontendApiWrapper->callMethod() ? CApiWrapper->callMethod() ? CFrontendApiWrapper->callClientMethod() ? CLocalApiClient->callMethod() ? call_user_func_array() ? CConfiguration->import() ? CConfigurationImport->import() ? CConfigurationImport->processDiscoveryRules() ? CTriggerPrototype->update() ? CTriggerPrototype->updateReal() in include\classes\api\services\CTriggerPrototype.php:777]