<?xml version='1.0' encoding="utf-8"?>
    <ogc:ServiceExceptionReport version="1.3.0"
    xmlns:ogc="http://www.opengis.net/ogc"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://www.opengis.net/ogc
    http://schemas.opengis.net/wms/1.3.0/exceptions_1_3_0.xsd">
    <ogc:ServiceException code="NoMatch" locator="layers">le paramètre LAYERS est manquant dans la requête / Missing LAYERS parameter in request</ogc:ServiceException>
    </ogc:ServiceExceptionReport>