Fatal error: Uncaught Error: Class 'Automattic\WooCommerce\Xero\Vendor\League\OAuth2\Client\OptionProvider\PostAuthOptionProvider' not found in /home/adaptyo3/public_html/wp-content/plugins/woocommerce-xero/lib/packages/league/oauth2-client/src/OptionProvider/HttpBasicAuthOptionProvider.php:26 Stack trace: #0 {main} thrown in /home/adaptyo3/public_html/wp-content/plugins/woocommerce-xero/lib/packages/league/oauth2-client/src/OptionProvider/HttpBasicAuthOptionProvider.php on line 26