Woocommerce view order link in customer emails

Try changing that code to this:

printf( __( 'Order: %s', 'woocommerce'), '<a href="' . $order->get_view_order_url() . '">'. $order->get_order_number() .'</a>' );

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)