Fatal error: Uncaught Error: Call to undefined function wp_get_current_user() in /home/lawfirmsincyprus/public_html/wp-content/plugins/sf-booking/frontend/modules/invoice/templates/customer-invoice.php:12 Stack trace: #0 {main} thrown in /home/lawfirmsincyprus/public_html/wp-content/plugins/sf-booking/frontend/modules/invoice/templates/customer-invoice.php on line 12