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Une erreur s'est produite lors du traitement du modèle. 
The following has evaluated to null or missing:
==> .vars['reserved-article-display-date']  [in template "20116#20160#5099237" at line 18, column 23]

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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 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: ${.vars["reserved-article-display-dat...  [in template "20116#20160#5099237" at line 18, column 21]
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1<#setting locale = locale /> 
2 
3<script> 
4    $('.bg-banner .banner__title').text("${title.getData()?js_string}"); 
5    $('.bg-banner .banner__description').hide(); 
6</script> 
7 
8<header class="st-header-fiche-person"> 
9    <div class="st-wrapper st-wrapper-small"> 
10        <div class="st-heading"> 
11            <div class="st-caption"> 
12                <h1 class="st-h1 st-title"> 
13                    ${title.getData()} 
14                </h1> 
15 
16                <p class="st-surtitre-cat"> 
17                    <@liferay_ui.message key="eu.published-on" /> 
18                    ${.vars['reserved-article-display-date'].getData()?date("EEE, dd MMM yyyy hh:mm:ss Z")?string["dd/MM/yyyy"]} 
19                    - <@liferay_ui.message key="eu.modified-on" /> 
20                    ${.vars['reserved-article-modified-date'].getData()?date("EEE, dd MMM yyyy hh:mm:ss Z")?string["dd/MM/yyyy"]} 
21                </p> 
22                <@liferay.breadcrumbs /> 
23            </div> 
24        </div> 
25    </div> 
26</header> 
27 
28<div class="st-content"> 
29    <div class="st-bloc st-wrapper st-text-styles st-wrapper-small st--has-margin"> 
30        <p class="st-surtitre">${chapo.getData()}</p> 
31        ${content.getData()} 
32    </div> 
33</div> 
34<style> 
35    .search-asset-portlet, .portlet-body .component-title { 
36        display: none !important; 
37    } 
38 
39    .autofit-row.metadata-author { 
40        display:none; 
41    } 
42 
43    .lfr-tooltip-scope { 
44        position: absolute; 
45        right: 0; 
46    } 
47    @media (max-width: 700px) { 
48        .journal-content-article .st-content .st-bloc img { 
49            margin-left: 0 !important; 
50            margin-right: 0 !important; 
51        } 
52    } 
53</style>