Invalid data
<div style="border:1px solid #990000;padding-left:20px;margin:0 0 10px 0;">

<h4>A PHP Error was encountered</h4>

<p>Severity: Notice</p>
<p>Message:  Undefined index: HTTP_REFERER</p>
<p>Filename: controllers/Payment.php</p>
<p>Line Number: 168</p>


	<p>Backtrace:</p>
	
		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/payment/application/controllers/Payment.php<br />
			Line: 168<br />
			Function: _error_handler			</p>

		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/payment/index.php<br />
			Line: 315<br />
			Function: require_once			</p>

		
	

</div>