Fatal error: Uncaught Error: Class "Composer\Installer\LibraryInstaller" not found in /home/jgregory/dogzone.jgregorymcverry.com/vendor/composer/installers/src/Composer/Installers/Installer.php:13 Stack trace: #0 {main} thrown in /home/jgregory/dogzone.jgregorymcverry.com/vendor/composer/installers/src/Composer/Installers/Installer.php on line 13