Fatal error: Uncaught Error: Class "Composer\Installers\BaseInstaller" not found in /Users/webmon/Documents/WebSites/herronfisher/wp-content/plugins/woocommerce-payments/vendor/composer/installers/src/Composer/Installers/PlentymarketsInstaller.php:4 Stack trace: #0 {main} thrown in /Users/webmon/Documents/WebSites/herronfisher/wp-content/plugins/woocommerce-payments/vendor/composer/installers/src/Composer/Installers/PlentymarketsInstaller.php on line 4