Fatal error: Uncaught Error: Class "Composer\Installer\LibraryInstaller" not found in /home/apolo/public_html/qua_sgdpr/vendor/yiisoft/yii2-composer/Installer.php:21
Stack trace:
#0 {main}
thrown in /home/apolo/public_html/qua_sgdpr/vendor/yiisoft/yii2-composer/Installer.php on line 21