Fatal error: Uncaught Error: Call to undefined function plugin_dir_url() in /home/adaptyo3/public_html/wp-content/plugins/woocommerce-xero/woocommerce-xero.php:41 Stack trace: #0 {main} thrown in /home/adaptyo3/public_html/wp-content/plugins/woocommerce-xero/woocommerce-xero.php on line 41