defaultErrorMsg.jsp

<c:when test="<%= key == null %>">
<c:if test="<%= !SessionErrors.isEmpty(portletRequest) %>">
<span class="portlet-msg-error">
<liferay-ui:message key="you-have-entered-invalid-data">
</liferay-ui:message></span>
<%= rowBreak %></c:if></c:when>