Fatal error: Uncaught Error: Class "Composer\Installer\LibraryInstaller" not found in /home/yrdsb11w3creativ/public_html/yrdsb/vendor/composer/installers/src/Composer/Installers/Installer.php:14 Stack trace: #0 {main} thrown in /home/yrdsb11w3creativ/public_html/yrdsb/vendor/composer/installers/src/Composer/Installers/Installer.php on line 14