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S'ha produït un error mentre es processava la plantilla.

The following has evaluated to null or missing:
==> categories[1]  [in template "20097#20123#91082" at line 29, column 112]

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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: ${categories[1].getCategoryId()}  [in template "20097#20123#91082" at line 29, column 110]
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1<#assign assetCategoryLocalService = serviceLocator.findService("com.liferay.asset.kernel.service.AssetCategoryLocalService")/>

2<#assign journalArticleLocalService = serviceLocator.findService("com.liferay.journal.service.JournalArticleLocalService")/>

4<#if entries?has_content>

5	<#if themeDisplay.getURLCurrent()?contains("/mutualmedica/")>

6	<div class="container">

7	<ol class="breadcrumb">

8		<#list entries as entry>

9			<li class="breadcrumb-item">

10				<#if entry?has_next>

11					<#if htmlUtil.escape(entry.getTitle())!="Mutual Medica">

12						<a class="breadcrumb-link" href="${entry.getURL()!""}" title="${htmlUtil.escape(entry.getTitle())}">

13							<span class="breadcrumb-text-truncate">${htmlUtil.escape(entry.getTitle())}</span>

14							<#assign urlRaizNivel2 = entry.getURL()/>

15						</a>

16					<#else>

17						<a class="breadcrumb-link" href="${entry.getURL()!""}" title="<@liferay.language key="mutualmedica.breadcrumbs.raiz" />">

18							<span class="breadcrumb-text-truncate"><@liferay.language key="mutualmedica.breadcrumbs.raiz" /></span>

19						</a>

20					</#if>

21				<#else>

22					<#assign urlTitleDetalle = themeDisplay.getURLCurrent()?split("/mutualmedica/")[1] />

23					<#if (urlTitleDetalle?contains("?") && urlTitleDetalle?contains("="))>

24						<#assign urlTitleDetalle = urlTitleDetalle?split("?")[0] />

25					</#if>

26					<#assign journalArticleDetalle = journalArticleLocalService.getArticleByUrlTitle(themeDisplay.getCompanyGroupId(), urlTitleDetalle) />

27          <#assign categories = assetCategoryLocalService.getCategories("com.liferay.journal.model.JournalArticle", journalArticleDetalle.getResourcePrimKey())/>

28					<#if categories?has_content>

29						<a class="breadcrumb-link" href="${urlRaizNivel2}?categories=${categories[1].getCategoryId()}" title="${categories[1].getTitle(locale)}">

30							<span class="breadcrumb-text-truncate">${categories[1].getTitle(locale)}</span>

31						</a>

32					</#if>

33				</#if>

34			</li>

35		</#list>

36			<li class="breadcrumb-item">

37			  <span class="active breadcrumb-text-truncate">${journalArticleDetalle.getTitle(locale)}</span>

38			</li>

39	</ol>

40	</div>

41		</#if>

42</#if>

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