error:SOAP-ERROR: Parsing WSDL: Couldn't load from '/home/girsbergerlive/web/typo3conf/ext/sfppconconfigurator//Resources/Private/Php/APITest/Girsberger/Catalog.xml' : Document is empty

Fatal error: Call to a member function lookupArticle() on null in /home/girsbergerlive/web/typo3conf/ext/sfppconconfigurator/Resources/Private/Php/APITest/Girsberger/SoapTools.php on line 86