Fatal error: Cannot declare class Error, because the name is already in use in /home/httpd/vhosts/nahreisen-bis2023.ch/httpdocs/16/frontend/helpers/error_helper.php on line 2

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

<p>Severity: Warning</p>
<p>Message:  Cannot modify header information - headers already sent by (output started at /home/httpd/vhosts/nahreisen-bis2023.ch/httpdocs/16/frontend/helpers/error_helper.php:2)</p>
<p>Filename: core/Common.php</p>
<p>Line Number: 573</p>


	<p>Backtrace:</p>
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	

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

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

<p>Severity: Compile Error</p>
<p>Message:  Cannot declare class Error, because the name is already in use</p>
<p>Filename: helpers/error_helper.php</p>
<p>Line Number: 2</p>


	<p>Backtrace:</p>
	
		
	
		
	
		
	
		
	

</div>