Hébergements de groupes

Error on line 23, column 140 in listTemplate
Expecting a string, date or number here, Expression element.annexes.photos.element[0].photo.@id is instead a freemarker.ext.dom.NodeListModel
The problematic instruction:
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==> ${element.annexes.photos.element[0].photo.@id} [on line 23, column 138 in listTemplate]
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Java backtrace for programmers:
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freemarker.core.NonStringException: Error on line 23, column 140 in listTemplate
Expecting a string, date or number here, Expression element.annexes.photos.element[0].photo.@id is instead a freemarker.ext.dom.NodeListModel
	at freemarker.core.Expression.getStringValue(Expression.java:126)
	at freemarker.core.Expression.getStringValue(Expression.java:93)
	at freemarker.core.DollarVariable.accept(DollarVariable.java:76)
	at freemarker.core.Environment.visit(Environment.java:210)
	at freemarker.core.MixedContent.accept(MixedContent.java:92)
	at freemarker.core.Environment.visit(Environment.java:210)
	at freemarker.core.ConditionalBlock.accept(ConditionalBlock.java:79)
	at freemarker.core.Environment.visit(Environment.java:210)
	at freemarker.core.ConditionalBlock.accept(ConditionalBlock.java:79)
	at freemarker.core.Environment.visit(Environment.java:210)
	at freemarker.core.ConditionalBlock.accept(ConditionalBlock.java:79)
	at freemarker.core.Environment.visit(Environment.java:210)
	at freemarker.core.ConditionalBlock.accept(ConditionalBlock.java:79)
	at freemarker.core.Environment.visit(Environment.java:210)
	at freemarker.core.MixedContent.accept(MixedContent.java:92)
	at freemarker.core.Environment.visit(Environment.java:210)
	at freemarker.core.IteratorBlock$Context.runLoop(IteratorBlock.java:179)
	at freemarker.core.Environment.visit(Environment.java:417)
	at freemarker.core.IteratorBlock.accept(IteratorBlock.java:102)
	at freemarker.core.Environment.visit(Environment.java:210)
	at freemarker.core.MixedContent.accept(MixedContent.java:92)
	at freemarker.core.Environment.visit(Environment.java:210)
	at freemarker.core.ConditionalBlock.accept(ConditionalBlock.java:79)
	at freemarker.core.Environment.visit(Environment.java:210)
	at freemarker.core.Environment.process(Environment.java:190)
	at freemarker.template.Template.process(Template.java:237)
	at be.defimedia.module.freemarker.FreeMarkerConfig.renderDocuments(FreeMarkerConfig.java:530)
	at be.defimedia.module.freemarker.FreeMarkerConfig.renderDocuments(FreeMarkerConfig.java:489)
	at be.defimedia.module.freemarker.list.Module$ListSplitter.render(Module.java:704)
	at be.defimedia.module.pagination.Splitter.render(Splitter.java:224)
	at be.immedia.modules.PageTemplate$ModuleItem$1.provide(PageTemplate.java:1488)
	at be.immedia.util.cache.ConcurrentFileCache.getInputStream(ConcurrentFileCache.java:857)
	at be.immedia.util.cache.ConcurrentFileCache.send(ConcurrentFileCache.java:936)
	at be.immedia.modules.PageTemplate$ModuleItem.send(PageTemplate.java:1476)
	at be.immedia.modules.PageTemplate$ZoneItem.send(PageTemplate.java:1331)
	at be.immedia.modules.PageTemplate$RequestContext.process(PageTemplate.java:530)
	at be.immedia.modules.PageTemplate.process(PageTemplate.java:300)
	at be.immedia.modules.ModuleManager.process(ModuleManager.java:63)
	at be.immedia.modules.AbstractModuleManager.serve(AbstractModuleManager.java:798)
	at be.immedia.modules.Servlet.service(Servlet.java:123)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at be.immedia.framework.url.URLRewritingFilter.doFilter(URLRewritingFilter.java:114)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at be.immedia.framework.url.URLRewritingFilter.doFilter(URLRewritingFilter.java:114)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at be.immedia.util.net.SetRequestEncoding.doFilter(SetRequestEncoding.java:104)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
	at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:190)
	at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:291)
	at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:776)
	at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:705)
	at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:898)
	at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690)
	at java.lang.Thread.run(Thread.java:636)