Errorea gertatu da txantiloia prozesatzerakoan.
The following has evaluated to null or missing:
==> .vars['reserved-article-display-date']  [in template "537258#537304#33183" at line 19, column 22]

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Tip: It's the final [] step that caused this error, not those before it.
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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: #assign fecha = .vars["reserved-artic...  [in template "537258#537304#33183" at line 19, column 5]
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1<#assign serviceContext = staticUtil["com.liferay.portal.kernel.service.ServiceContextThreadLocal"].getServiceContext()> 
2 
3<#assign themeDisplay = serviceContext.getThemeDisplay() /> 
4 
5<#assign currentUrl = "/-/" + .vars['reserved-article-url-title'].data > 
6 
7<#assign encodedTitle = .vars['reserved-article-title'].data > 
8 
9<#assign serverName = themeDisplay.getServerName()> 
10 
11<#assign serverPort = themeDisplay.getServerPort()> 
12 
13<#assign completeCurrentUrl = "http://"+ serverName + ":" + serverPort + currentUrl > 
14 
15 
16<div class="entry-detail-page"> 
17 
18    <h1 class="title">${titulo.getData()}</h1> 
19    <#assign fecha = .vars['reserved-article-display-date'].data> 
20     
21    <p class="date"><@showDate dateString=fecha /></p> 
22    <div class="image"><img src="${imagen.getData()}" alt="${imagen.alt.getData()}"></div> 
23    <p class="description">${descripcion.getData()}</p> 
24    <@social/> 
25     
26</div> 
27 
28<#macro showDate dateString> 
29     
30    <#assign date = dateUtil.parseDate("EEE, d MMM yyyy HH:mm:ss Z", dateString, localeUtil.getDefault()) /> 
31     
32    <#if locale == "es_ES" > 
33        <#assign dateFormated = dateUtil.getDate(date, "dd/MM/yyyy", locale, timeZoneUtil.getTimeZone("UTC")) /> 
34        ${dateFormated} 
35    <#else> 
36        <#assign dateFormated = dateUtil.getDate(date, "dd/MM/yyyy", locale, timeZoneUtil.getTimeZone("UTC")) /> 
37        ${dateFormated} 
38    </#if> 
39     
40</#macro> 
41 
42<#macro social> 
43 
44      <div class="kultur-social-icons"> 
45     
46        <div class="btn-group"> 
47     
48       
49     
50        <a class="btn" href="http://www.facebook.com/sharer/sharer.php?u=${completeCurrentUrl}" target="_blank" title="<@liferay.language key='opens-new-window' />"> 
51     
52        <span class="sr-only"><liferay-ui:message key="wkul.agenda.detail.facebook"/></span> 
53    
54       <img src="${themeDisplay.getPathThemeImages()}/icon-facebook.png" alt="<@liferay.language key="wkul.agenda.detail.facebook"/>" /> 
55     
56        </a> 
57           
58        <a class="btn" href="https://plus.google.com/share?url=${completeCurrentUrl}" target="_blank" title="<@liferay.language key='opens-new-window' />" onclick="javascript:window.open(this.href, '', 'menubar=no,toolbar=no,resizable=yes,scrollbars=yes,height=200,width=200');return false;"> 
59     
60         <span class="sr-only"><liferay-ui:message key="wkul.agenda.detail.google+"/></span> 
61    
62       <img src="${themeDisplay.getPathThemeImages()}/icon-google.png" alt="<@liferay.language key="wkul.agenda.detail.google+"/>" /> 
63     
64        </a> 
65     
66           
67     
68        <a class="btn" href="https://twitter.com/intent/tweet?url=${completeCurrentUrl}&text=${encodedTitle}" target="_blank" title="<@liferay.language key='opens-new-window' />" data-size="large"> 
69     
70         <span class="sr-only"><liferay-ui:message key="wkul.agenda.detail.twitter"/></span> 
71    
72       <img src="${themeDisplay.getPathThemeImages()}/icon-twitter.png" alt="<@liferay.language key="wkul.agenda.detail.twitter"/>" /> 
73     
74        </a> 
75    
76        </div> 
77     
78      </div> 
79     
80</#macro>