What could be causing this?

[jakebur01]

PHP Fatal error: Call to undefined function make_paypal() in C:\Inetpub\UltimateDogginSite.com\couponsite\signup.php on line 264

[jakebur01]

if ($step == 'signup4z') {
if ($_POST) {
	$payment = $_POST['payment'];
	$payment_type = $_POST['payment_type'];

	echo "<h2>Payment Options</h2>";

	if ($payment == 'paypal') {
		if ($payment_type == 'subscription') {	
			make_paypal(1);
		}
		elseif ($payment_type == 'monthly') {	
			make_paypal1(1);
		}
	}
	elseif ($payment == 'stormpay') {
		if ($payment_type == 'subscription') {	
			make_stormpay(1);
		}
		elseif ($payment_type == 'monthly') {	
			make_stormpay1(1);
		}
	}
}

[clown[NOR]]

what's line 264?

[jakebur01]

if ($payment_type == 'subscription') {

make_paypal(1);

}

[jakebur01]

Could someone please give me a clue so I can figure out whats wrong?