Error message

• Notice: Undefined variable: order_total in eval() (line 6 of /var/aegir/platforms/drupal-7/modules/php/php.module(80) : eval()'d code).
• Notice: Undefined variable: order_total in eval() (line 6 of /var/aegir/platforms/drupal-7/modules/php/php.module(80) : eval()'d code).