Fatal error: Uncaught Error: Class "Composer\Installers\BaseInstaller" not found in /users/laufgruppe-lvb/www/wordpress/wp-content/plugins/woocommerce/vendor/composer/installers/src/Composer/Installers/SilverStripeInstaller.php:6 Stack trace: #0 {main} thrown in /users/laufgruppe-lvb/www/wordpress/wp-content/plugins/woocommerce/vendor/composer/installers/src/Composer/Installers/SilverStripeInstaller.php on line 6