Fatal error: Uncaught Error: Class "Symfony\Component\DependencyInjection\Container" not found in D:\xampp\htdocs\pimcore\my-project\var\installer\build\ContainerFYUtzIi\Pimcore_Bundle_InstallBundle_InstallerKernelDevDebugContainer.php:17 Stack trace: #0 D:\xampp\htdocs\pimcore\my-project\var\installer\build\Pimcore_Bundle_InstallBundle_InstallerKernelDevDebugContainer.php(7): include() #1 {main} thrown in D:\xampp\htdocs\pimcore\my-project\var\installer\build\ContainerFYUtzIi\Pimcore_Bundle_InstallBundle_InstallerKernelDevDebugContainer.php on line 17