When I ran the commands
composer require symfony / filesystem composer update, the following error is occurring in my project, in whatever route I go. Could you help me? I'm using symfony 3.0 with MySQL database on the Apache server.
Uncaught ReflectionException: Class does not exist in C:\xampp\htdocs\univrmanut_desenvolvimento\vendor\symfony\symfony\src\Symfony\Component\DependencyInjection\ContainerBuilder.php:305 Stack trace: #0 C:\xampp\htdocs\univrmanut_desenvolvimento\vendor\symfony\symfony\src\Symfony\Component\DependencyInjection\ContainerBuilder.php(305): ReflectionClass->__construct('') #1 C:\xampp\htdocs\univrmanut_desenvolvimento\vendor\symfony\symfony\src\Symfony\Component\HttpKernel\Kernel.php(771): Symfony\Component\DependencyInjection\ContainerBuilder->addObjectResource('AppKernel') #2 C:\xampp\htdocs\univrmanut_desenvolvimento\vendor\symfony\symfony\src\Symfony\Component\HttpKernel\Kernel.php(640): Symfony\Component\HttpKernel\Kernel->buildContainer() #3 C:\xampp\htdocs\univrmanut_desenvolvimento\vendor\symfony\symfony\src\Symfony\Component\HttpKernel\Kernel.php(135): Symfony\Component\HttpKernel\Kernel->initializeContainer() #4 C:\xampp\htdocs\univrmanut_desenvolvimento\vendor\symfony\symfony\src\Symfony\Component\Http in C:\xampp\htdocs\univrmanut_desenvolvimento\vendor\symfony\symfony\src\Symfony\Component\DependencyInjection\ContainerBuilder.php on line 305