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Nastala chyba počas spracovávania šablóny. 
The following has evaluated to null or missing:
==> journalArticle.getArticleId  [in template "20099#20136#97990" at line 23, column 43]

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Tip: It's the step after the last dot 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 articleId = journalArticle.ge...  [in template "20099#20136#97990" at line 23, column 21]
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1<#assign dlAppLocalServiceUtil = staticUtil["com.liferay.document.library.kernel.service.DLAppLocalServiceUtil"] > 
2<#assign dlUtil = staticUtil["com.liferay.document.library.kernel.util.DLUtil"] > 
3<#assign serviceContext = staticUtil["com.liferay.portal.kernel.service.ServiceContextThreadLocal"].getServiceContext() /> 
4 
5<#if !entries?has_content> 
6    <#if !themeDisplay.isSignedIn()> 
7        ${renderRequest.setAttribute("PORTLET_CONFIGURATOR_VISIBILITY", true)} 
8    </#if> 
9 
10    <div class="alert alert-info"> 
11        <@liferay_ui["message"] key="there-are-no-results" /> 
12    </div> 
13</#if> 
14 
15<div class="row"> 
16 
17    <#list entries as entry> 
18        <div class="col-md-4 column"> 
19            <#assign assetRenderer = entry.getAssetRenderer()/> 
20            <#assign journalArticle =  assetRenderer.getAssetObject() /> 
21 
22            <#if journalArticle?? && journalArticle?has_content> 
23                    <#assign articleId =  journalArticle.getArticleId()!"0" /> 
24 
25                    <#assign groupId =  journalArticle.getGroupId()!0 /> 
26 
27                <#if articleId != "0" && groupId != 0> 
28                    <@liferay_journal["journal-article"] 
29                    articleId=articleId 
30                    ddmTemplateKey="MESSER_LINK_TITLE_TEXT_&_IMAGE" 
31                    groupId=groupId 
32                    /> 
33                </#if> 
34            </#if> 
35        </div> 
36 
37    </#list> 
38 
39</div>