Warning: SimpleXMLElement::__construct(http://www.petrolprices.com/feeds/averages.xml) [simplexmlelement.--construct]: failed to open stream: HTTP request failed! HTTP/1.1 500 Internal Server Error in C:\Inetpub\wwwroot\landing_page.php on line 37

Warning: SimpleXMLElement::__construct() [simplexmlelement.--construct]: I/O warning : failed to load external entity "http://www.petrolprices.com/feeds/averages.xml" in C:\Inetpub\wwwroot\landing_page.php on line 37

Fatal error: Uncaught exception 'Exception' with message 'String could not be parsed as XML' in C:\Inetpub\wwwroot\landing_page.php:37 Stack trace: #0 C:\Inetpub\wwwroot\landing_page.php(37): SimpleXMLElement->__construct('http://www.petr...', 0, true) #1 C:\Inetpub\wwwroot\offers.php(304): require_once('C:\Inetpub\wwwr...') #2 {main} thrown in C:\Inetpub\wwwroot\landing_page.php on line 37