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20 años (1944-2014)

Se ha producido un error al procesar la plantilla. 
The following has evaluated to null or missing:
==> entry  [in template "38913#38948#69840" at line 8, column 87]

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Tip: If the failing expression is known to be 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)??
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FTL stack trace ("~" means nesting-related):
	- Failed at: ${entry.getVocabularyId()}  [in template "38913#38948#69840" at line 8, column 85]
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1<div class="panels-wrapper"> 
2	<div class="panels"> 
3		<#if entries?has_content> 
4			<#list entries as entry> 
5				<div class="panel panel-default"> 
6					<div class="panel-heading"> 
7						<div class="panel-title"> 
8							<a aria-controls="vocabulary${entry.getVocabularyId()}" aria-expanded="false" class="collapse-icon collapse-icon-middle" data-toggle="collapse" href="#vocabulary${entry.getVocabularyId()}"> 
9								${entry.getUnambiguousTitle(entries, themeDisplay.getSiteGroupId(), themeDisplay.getLocale())} 
10							</a> 
11						</div> 
12					</div> 
13					 
14					<#assign categories = entry.getCategories() /> 
15					<@displayCategories vocabularyId=entry.getVocabularyId() categories=categories /> 
16				</div> 
17			</#list> 
18		</#if> 
19 
20		<#macro displayCategories vocabularyId categories > 
21			<#if categories?has_content> 
22				<div id="vocabulary${vocabularyId}" class="panel-collapse collapse show"> 
23					<div class="panel-body"> 
24					<div class="lfr-asset-category-list-container"> 
25						<ul class="lfr-asset-category-list list-inline"> 
26						<#list categories?sort_by("description") as category> 
27					 
28							<li class="category ${category.getName()} list-inline-item"> 
29								<#assign categoryURL = renderResponse.createRenderURL() /> 
30 
31								${categoryURL.setParameter("resetCur", "true")} 
32								${categoryURL.setParameter("categoryId", category.getCategoryId()?string)} 
33 
34								<a href="${categoryURL}">${category.getName()}</a> 
35 
36								<#if serviceLocator??> 
37									<#assign 
38										assetCategoryService = serviceLocator.findService("com.liferay.asset.kernel.service.AssetCategoryService") 
39 
40										childCategories = assetCategoryService.getChildCategories(category.getCategoryId()) 
41									/> 
42 
43									<@displayCategories vocabularyId=vocabularyId categories=childCategories /> 
44								</#if> 
45							</li> 
46							 
47						</#list> 
48						</ul> 
49					</div> 
50					</div> 
51				</div>	 
52			</#if> 
53		</#macro> 
54	</div> 
55</div>