Fatal error: Uncaught Error: Class "Symfony\Contracts\Translation\Test\TranslatorTest" not found in C:\Users\Administrator\Desktop\xamp\htdocs\sdk\symfony\translation\Tests\IdentityTranslatorTest.php:18 Stack trace: #0 {main} thrown in C:\Users\Administrator\Desktop\xamp\htdocs\sdk\symfony\translation\Tests\IdentityTranslatorTest.php on line 18