500 Internal Server Error

Hi,i am facing below exception for SOAP request,it worked when checked manually and in jmeter as well.Please let me know where i am going wrong in this cas with gatling
<?xml version="1.0" ?><S:Envelope xmlns:S=“http://schemas.xmlsoap.org/soap/envelope/”><S:Body><S:Fault xmlns:ns4=“http://www.w3.org/2003/05/soap-envelope”>S:ClientCouldn’t create SOAP message due to exception: XML reader error: javax.xml.stream.XMLStreamException: ParseError at [row,col]:[1,1]
Message: Premature end of file.</S:Fault></S:Body></S:Envelope>