Error - Not implemented tag

POST

<ogc:Filter>
        <ogc:Or>
            <ogc:UnsupportedTag>
                <ogc:PropertyName>A_STATUS</ogc:PropertyName>
                <ogc:Literal>*O%23MA*</ogc:Literal>
            </ogc:UnsupportedTag>
        </ogc:Or>
    </ogc:Filter>

RESULT

<?xml version="1.0" encoding="UTF-8"?>
<ServiceExceptionReport
    xmlns="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/wfs/1.0.0/OGC-exception.xsd" version="1.2.0">
    <ServiceException code="NotImplementedOgcTag" locator="request">Not Implemented tag 'ogc:UnsupportedTag'</ServiceException>
</ServiceExceptionReport>