Javelin9 JSP compilation error

Compilation of JSP File '/view/decorators/mainNews.jsp' failed:

mainNews.jsp:30:21: Error in "/home/bea/applications/hb10000/common/menu.jsp" at line 1: The page directive attribute "pageEncoding" may only be used once per JSP page.
			<%@ include file="/common/menu.jsp"%>
                                         ^----------------^