Fatal error: Uncaught Error: Interface 'Automattic\WooCommerce\Xero\Vendor\GuzzleHttp\Promise\PromiseInterface' not found in /home/adaptyo3/public_html/wp-content/plugins/woocommerce-xero/lib/packages/guzzlehttp/promises/src/Promise.php:16 Stack trace: #0 {main} thrown in /home/adaptyo3/public_html/wp-content/plugins/woocommerce-xero/lib/packages/guzzlehttp/promises/src/Promise.php on line 16