Fatal error: Uncaught Error: Class "Composer\Installers\BaseInstaller" not found in C:\xampp\htdocs\wordpress\wp-content\plugins\woocommerce\vendor\composer\installers\src\Composer\Installers\ZendInstaller.php:4 Stack trace: #0 {main} thrown in C:\xampp\htdocs\wordpress\wp-content\plugins\woocommerce\vendor\composer\installers\src\Composer\Installers\ZendInstaller.php on line 4