<?xml version="1.0" encoding="utf-8"?>
<ServiceExceptionReport version="1.3.0" xmlns="http://www.opengis.net/ogc" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><ServiceException code="MissingParameterValue" locator="request"><![CDATA[Mandatory parameter 'request' missing.]]></ServiceException></ServiceExceptionReport>