Fatal error: Uncaught Symfony\Component\Intl\Exception\MethodNotImplementedException: The Symfony\Component\Intl\Locale\Locale::getPrimaryLanguage() is not implemented. Please install the "intl" extension for full localization capabilities. in /var/www/vhosts/pronkkamer.nl/private/vendor/symfony/symfony/src/Symfony/Component/Intl/Locale/Locale.php:236 Stack trace: #0 /var/www/vhosts/pronkkamer.nl/private/vendor/lunetics/locale-bundle/Lunetics/LocaleBundle/Validator/LocaleValidator.php(82): Symfony\Component\Intl\Locale\Locale::getPrimaryLanguage('nl') #1 /var/www/vhosts/pronkkamer.nl/private/vendor/symfony/symfony/src/Symfony/Component/Validator/Validator/RecursiveContextualValidator.php(841): Lunetics\LocaleBundle\Validator\LocaleValidator->validate('nl', Object(Lunetics\LocaleBundle\Validator\Locale)) #2 /var/www/vhosts/pronkkamer.nl/private/vendor/symfony/symfony/src/Symfony/Component/Validator/Validator/RecursiveContextualValidator.php(685): Symfony\Component\Validator\Validator\RecursiveContextualValidator->validateI in /var/www/vhosts/pronkkamer.nl/private/vendor/symfony/symfony/src/Symfony/Component/Intl/Locale/Locale.php on line 236