Fatal error: Uncaught Error: Class "Composer\Installer\LibraryInstaller" not found in /home/u6668910/public_html/test/lab/vendor/robloach/component-installer/src/ComponentInstaller/Installer.php:24 Stack trace: #0 {main} thrown in /home/u6668910/public_html/test/lab/vendor/robloach/component-installer/src/ComponentInstaller/Installer.php on line 24