Se ha producido un error al procesar la plantilla. 
Java method "com.sun.proxy.$Proxy84.getFileEntry(long)" threw an exception when invoked on com.sun.proxy.$Proxy84 object "com.liferay.portlet.documentlibrary.service.impl.DLFileEntryLocalServiceImpl@1ee16508"; see cause exception in the Java stack trace.

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FTL stack trace ("~" means nesting-related):
	- Failed at: #assign entry = fileService.getFileEn...  [in template "20098#20124#89077" at line 3, column 1]
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1<#assign fileService = serviceLocator.findService("com.liferay.document.library.kernel.service.DLFileEntryLocalService")> 
2<#assign fileEntryId=getterUtil.getLong(galeria.getAttribute("fileEntryId"),0) /> 
3<#assign entry=fileService.getFileEntry(fileEntryId) /> 
4<#assign preferences = freeMarkerPortletPreferences.getPreferences( 
5    { 
6    "rootFolderId": "${entry.folderId}" 
7    ,"portletDecoratorId":"borderless" 
8    ,"displayStyle":"default" 
9    }) /> 
10<div class="runtime"> 
11    <@liferay_portlet["runtime"] 
12        defaultPreferences="${preferences}" 
13        instanceId="folder-${entry.folderId}" 
14        portletName="com_liferay_document_library_web_portlet_IGDisplayPortlet" 
15    /> 
16</div>