Fatal error: Uncaught Error: Class 'Symfony\Component\Translation\Tests\Loader\LocalizedTestCase' not found in /home/noct-c/www/tanakahashi/vendor/symfony/translation/Tests/Loader/IcuDatFileLoaderTest.php:20 Stack trace: #0 {main} thrown in /home/noct-c/www/tanakahashi/vendor/symfony/translation/Tests/Loader/IcuDatFileLoaderTest.php on line 20