ISO Schematron schema for WFS 2.0 service exception reports. This schema specifies constraints concerning the structure and content of OGC service exception reports (as defined in OGC 06-121r3, cl. 8). Rules for OWS exception reports. The document element must have [local name] = "ExceptionReport" and [namespace name] = "http://www.opengis.net/ows/1.1". The exception report must have @version = . Found empty ows:ExceptionText element. A detail message should be provided. Checks for the MissingParameterValue exception code. The @exceptionCode attribute must have the value 'MissingParameterValue'. The @locator attribute should provide the name of a missing parameter. The included document element has [local name] = and [namespace name] = . The included exception code is: . The included locator is: . The reported version is .