Warning: SoapClient::SoapClient(http://187.174.159.74/SOFI_API_WEB/awws/SOFI_API.awws?wsdl): failed to open stream: HTTP request failed! HTTP/1.1 500 Internal Server Error in C:\wamp\www\APISoap\testingSoap.php on line 16

Warning: SoapClient::SoapClient(): I/O warning : failed to load external entity "http://187.174.159.74/SOFI_API_WEB/awws/SOFI_API.awws?wsdl" in C:\wamp\www\APISoap\testingSoap.php on line 16

Fatal error: SOAP-ERROR: Parsing WSDL: Couldn't load from 'http://187.174.159.74/SOFI_API_WEB/awws/SOFI_API.awws?wsdl' : failed to load external entity "http://187.174.159.74/SOFI_API_WEB/awws/SOFI_API.awws?wsdl" in C:\wamp\www\APISoap\testingSoap.php on line 16