[B00MER]

edit include/help.php:

$fillerror = (empty($contact["firstname"]) || empty($contact["lastname"]) || empty($contact["b_address"]) || empty($contact["b_city"]) || empty($contact["b_country"]) || empty($contact["b_zipcode"]) || empty($contact["phone"]) || empty($contact["email"]) || empty($contact["subject"]) || empty($contact["body"]));

Update the code accordingly