Back Estación Navidad

Se ha producido un error al procesar la plantilla.
The following has evaluated to null or missing:
==> fechaFin  [in template "20101#20128#ADIF-EVENTO-ESTACION-TEMPLATE" at line 10, column 65]

----
Tip: If the failing expression is known to legally refer to something that's sometimes null or missing, either specify a default value like myOptionalVar!myDefault, or use <#if myOptionalVar??>when-present<#else>when-missing</#if>. (These only cover the last step of the expression; to cover the whole expression, use parenthesis: (myOptionalVar.foo)!myDefault, (myOptionalVar.foo)??
----

----
FTL stack trace ("~" means nesting-related):
	- Failed at: #assign endDate = getterUtil.getStrin...  [in template "20101#20128#ADIF-EVENTO-ESTACION-TEMPLATE" at line 10, column 25]
----
1<div class="rs-content-template"> 
2     
3	<!-- HEADER --> 
4	<header class="rs-content-template__header"> 
5		<@adif.header title="${titulo.getData()}" /> 
6		<#assign date = getterUtil.getString(fecha.getData())> 
7		<#if validator.isNotNull(date)> 
8			<#assign startDate = dateUtil.parseDate("yyyy-MM-dd", date, locale)> 
9			<#assign endDate = getterUtil.getString(fechaFin.getData())> 
10			<h2> 
11				<@liferay.language key="es.adif.main.event-date" />: ${dateUtil.getDate(startDate, "dd/MM/yyyy", locale)} 
12					<#if validator.isNotNull(endDate)> 
13						<#assign endDateFormatted = dateUtil.parseDate("yyyy-MM-dd", endDate, locale)> 
14						- ${dateUtil.getDate(endDateFormatted, "dd/MM/yyyy", locale)} 
15					</#if> 
16			</h2> 
17			<#if descripcion.getData()?? && descripcion.getData() != ""> 
18				<span class="rs-content-template__header__subtitle">${descripcion.getData()}</span> 
19			</#if> 
20		</#if> 
21	</header> 
22 
23	<!-- PÁRRAFOS --> 
24	<#if contenido.getData()?? && contenido.getData() != ""> 
25		<div class="rs-content-template__paragraphs"> 
26			<div class="rs-content-template__paragraphs_paragraph"> 
27				<div class="rs-content-template__paragraphs_paragraph__description"> 
28					${contenido.getData()} 
29				</div> 
30			</div> 
31		</div> 
32	</#if> 
33	 
34	<!-- BANNER --> 
35	<#if banner.getData()?? && banner.getData() != ""> 
36		<img alt="${banner.getAttribute("alt")}" data-fileentryid="${banner.getAttribute("fileEntryId")}" src="${banner.getData()}" /> 
37	</#if> 
38</div>