Fatal error: Uncaught ErrorException: Uncaught Error: Class 'Locale' not found in /usr/share/icinga-php/ipl/vendor/ipl/i18n/src/Locale.php:125 Stack trace: #0 /usr/share/icingaweb2/application/layouts/scripts/layout.phtml(19): ipl\I18n\Locale->parseLocale() #1 /usr/share/php/Icinga/Web/View.php(235): include('/usr/share/icin...') #2 /usr/share/icinga-php/vendor/vendor/shardj/zf1-future/library/Zend/View/Abstract.php(886): Icinga\Web\View->_run() #3 /usr/share/icinga-php/vendor/vendor/shardj/zf1-future/library/Zend/Layout.php(796): Zend_View_Abstract->render() #4 /usr/share/icinga-php/vendor/vendor/shardj/zf1-future/library/Zend/Layout/Controller/Plugin/Layout.php(143): Zend_Layout->render() #5 /usr/share/icinga-php/vendor/vendor/shardj/zf1-future/library/Zend/Controller/Plugin/Broker.php(332): Zend_Layout_Controller_Plugin_Layout->postDispatch() #6 /usr/share/icinga-php/vendor/vendor/shardj/zf1-future/library/Zend/Controller/Front.php(965): Zend_Controller_Plugin_Broker->postDispatch() #7 /usr/share/php/Icinga/Application in /usr/share/icinga-php/vendor/vendor/shardj/zf1-future/library/Zend/Controller/Plugin/Broker.php on line 262