Fatal error: Uncaught InvalidArgumentException: For Analytics object, you must specify a value to be set for setUserLanguage in /www/petrknap.cz/vendor/theiconic/php-ga-measurement-protocol/src/Analytics.php:725 Stack trace: #0 /www/petrknap.cz/vendor/theiconic/php-ga-measurement-protocol/src/Analytics.php(878): TheIconic\Tracking\GoogleAnalytics\Analytics->setParameter('setUserLanguage', Array) #1 /www/petrknap.cz/src/GoogleAnalyticsFactory.php(31): TheIconic\Tracking\GoogleAnalytics\Analytics->__call('setUserLanguage', Array) #2 /www/petrknap.cz/vendor/symfony/dependency-injection/ContainerBuilder.php(1167): PetrKnapCz\GoogleAnalyticsFactory::create(Object(Symfony\Component\HttpFoundation\Request), 'UA-88031264-1') #3 /www/petrknap.cz/vendor/symfony/dependency-injection/ContainerBuilder.php(635): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), Array, true, 'TheIconic\\Track...') #4 /www/petrknap.cz/vendor/symfony/dependency-injection/Contain in /www/petrknap.cz/vendor/theiconic/php-ga-measurement-protocol/src/Analytics.php on line 725