Crédits et mentions légales

Fehler bei der Verarbeitung der Vorlage.
The following has evaluated to null or missing:
==> fileEntryHelper.getFileEntryByRelativeURL(illustration.getData())  [in template "20116#20160#901260" at line 2, column 17]

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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 file = fileEntryHelper.getFil...  [in template "20116#20160#901260" at line 2, column 1]
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1<#assign fileEntryHelper = serviceLocator.findService("eu.strasbourg.utils.api.FileEntryHelperService") /> 
2<#assign file = fileEntryHelper.getFileEntryByRelativeURL(illustration.getData()) /> 
3<#assign editorialTitle = fileEntryHelper.getFileTitle(file.getFileEntryId(), locale) /> 
4<#assign copyright = fileEntryHelper.getImageCopyright(file.getFileEntryId(), locale) /> 
5 
6<div class="article-detail"> 
7    <#if illustration.getAttribute('alt')?has_content> 
8       <h1 class="article-title ${illustration.getAttribute('alt')}">${title.getData()}</h1> 
9    <#else> 
10       <h1 class="article-title ">${title.getData()}</h1> 
11    </#if> 
12    <#if illustration.getData()?has_content> 
13        <div class="article-image"> 
14            <div class="imgcontainer"> 
15                 
16 
17                <a href="${illustration.getData()}" title="${editorialTitle} © ${copyright}" class="magnific-popup"> 
18                    <#if illustration.getAttribute('alt')?has_content && editorialTitle?has_content > 
19                        <img src="${illustration.getData()}" alt="${illustration.getAttribute('alt')}" title="${editorialTitle}" /> 
20                    <#elseif editorialTitle?has_content > 
21                     <img src="${illustration.getData()}" title="${editorialTitle}" /> 
22                    <#else> 
23                        <img src="${illustration.getData()}" /> 
24                    </#if> 
25                </a> 
26                             
27                <#if copyright?has_content> 
28                    <div class="copyright-caption"> 
29                      &copy; ${copyright} 
30                    </div> 
31                </#if>                             
32            </div> 
33        </div> 
34    </#if> 
35    <div class="article-catcher">${catcher.getData()}</div> 
36    <div class="article-clear"></div> 
37    <div class="article-texte"> 
38        ${text.getData()} 
39    </div> 
40</div>