Fatal error: Uncaught Error: Class 'Composer\Installer\LibraryInstaller' not found in /home/lafaamicps/www/symfony/vendor/raulfraile/ladybug-installer/src/Ladybug/Installer/Composer/Installer.php:8 Stack trace: #0 {main} thrown in /home/lafaamicps/www/symfony/vendor/raulfraile/ladybug-installer/src/Ladybug/Installer/Composer/Installer.php on line 8