Fatal error: Uncaught Error: Class "Symfony\Bundle\MonologBundle\Tests\DependencyInjection\FixtureMonologExtensionTest" not found in C:\xampp\htdocs\electronica\vendor\symfony\monolog-bundle\Tests\DependencyInjection\XmlMonologExtensionTest.php:18 Stack trace: #0 {main} thrown in C:\xampp\htdocs\electronica\vendor\symfony\monolog-bundle\Tests\DependencyInjection\XmlMonologExtensionTest.php on line 18