Can not find the variable named back-office

org.apache.xml.utils.WrappedRuntimeException: Impossible de trouver la variable portant le nom back-office at org.apache.xpath.operations.Variable.fixupVariables(Variable.java:148) at org.apache.xpath.operations.Operation.fixupVariables(Operation.java:56) at org.apache.xpath.operations.Operation.fixupVariables(Operation.java:56) at org.apache.xpath.operations.Operation.fixupVariables(Operation.java:57) at org.apache.xpath.XPath.fixupVariables(XPath.java:88) at org.apache.xalan.templates.ElemWhen.compose(ElemWhen.java:96) at org.apache.xalan.templates.StylesheetRoot.composeTemplates(StylesheetRoot.java:361) at org.apache.xalan.templates.StylesheetRoot.composeTemplates(StylesheetRoot.java:366) at org.apache.xalan.templates.StylesheetRoot.composeTemplates(StylesheetRoot.java:366) at org.apache.xalan.templates.StylesheetRoot.composeTemplates(StylesheetRoot.java:366) at org.apache.xalan.templates.StylesheetRoot.recompose(StylesheetRoot.java:341) at org.apache.xalan.processor.StylesheetHandler.endDocument(StylesheetHandler.java:471) at org.apache.xerces.parsers.AbstractSAXParser.endDocument(Unknown Source) at org.apache.xerces.impl.XMLDocumentScannerImpl.endEntity(Unknown Source) at org.apache.xerces.impl.XMLEntityManager.endEntity(Unknown Source) at org.apache.xerces.impl.XMLEntityScanner.load(Unknown Source) at org.apache.xerces.impl.XMLEntityScanner.skipSpaces(Unknown Source) at org.apache.xerces.impl.XMLDocumentScannerImpl$TrailingMiscDispatcher.dispatch(Unknown Source) at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source) at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source) at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source) at org.apache.xerces.parsers.XMLParser.parse(Unknown Source) at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source) at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source) at org.apache.excalibur.xml.impl.JaxpParser.parse(JaxpParser.java:315) at org.apache.excalibur.xmlizer.DefaultXMLizer.toSAX(DefaultXMLizer.java:128) at org.ametys.runtime.cocoon.ThreadSafeTraxProcessor._sourceToSAX(ThreadSafeTraxProcessor.java:248) at org.ametys.runtime.cocoon.ThreadSafeTraxProcessor.getTransformerHandlerAndValidity(ThreadSafeTraxProcessor.java:185) at org.apache.cocoon.transformation.TraxTransformer.setup(TraxTransformer.java:331) at org.ametys.runtime.cocoon.TraxTransformer.setup(TraxTransformer.java:50) at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.setupPipeline(AbstractProcessingPipeline.java:398) at org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.setupPipeline(AbstractCachingProcessingPipeline.java:718) at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.preparePipeline(AbstractProcessingPipeline.java:501) at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.prepareInternal(AbstractProcessingPipeline.java:515) at org.apache.cocoon.components.source.impl.SitemapSource.init(SitemapSource.java:343) at org.apache.cocoon.components.source.impl.SitemapSource.<init>(SitemapSource.java:215) at org.apache.cocoon.components.source.impl.SitemapSourceFactory.getSource(SitemapSourceFactory.java:65) at org.apache.excalibur.source.impl.SourceResolverImpl.resolveURI(SourceResolverImpl.java:208) at org.apache.cocoon.components.CocoonComponentManager.resolveURI(CocoonComponentManager.java:558) at org.apache.cocoon.components.CocoonComponentManager.resolveURI(CocoonComponentManager.java:558) at org.apache.cocoon.environment.AbstractEnvironment.resolveURI(AbstractEnvironment.java:554) at org.apache.cocoon.environment.AbstractEnvironment.resolveURI(AbstractEnvironment.java:541) at org.apache.cocoon.environment.wrapper.MutableEnvironmentFacade.resolveURI(MutableEnvironmentFacade.java:299) at org.ametys.web.repository.PageGenerator._saxZoneItems(PageGenerator.java:287) at org.ametys.web.repository.PageGenerator._saxZone(PageGenerator.java:219) at org.ametys.web.repository.PageGenerator.generate(PageGenerator.java:159) at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.processXMLPipeline(AbstractProcessingPipeline.java:579) at org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:280) at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:780) at org.apache.cocoon.components.source.impl.SitemapSource.toSAX(SitemapSource.java:414) at org.apache.cocoon.components.source.SourceUtil.toSAX(SourceUtil.java:101) at org.apache.cocoon.components.source.SourceUtil.parse(SourceUtil.java:321) at org.apache.cocoon.sitemap.ContentAggregator.generate(ContentAggregator.java:125) at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.processXMLPipeline(AbstractProcessingPipeline.java:579) at org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:280) at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:481) at org.apache.cocoon.components.treeprocessor.sitemap.SerializeNode.invoke(SerializeNode.java:144) at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:47) at org.apache.cocoon.components.treeprocessor.sitemap.MatchNode.invoke(MatchNode.java:108) at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:69) at org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143) at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:69) at org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:93) at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:235) at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:177) at org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:254) at org.apache.cocoon.components.treeprocessor.sitemap.MountNode.invoke(MountNode.java:118) at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:47) at org.apache.cocoon.components.treeprocessor.sitemap.MatchNode.invoke(MatchNode.java:108) at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:69) at org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143) at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:69) at org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:93) at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:235) at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:177) at org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:254) at org.apache.cocoon.Cocoon.process(Cocoon.java:699) at org.apache.cocoon.servlet.CocoonServlet.service(CocoonServlet.java:1159) at org.ametys.runtime.servlet.RuntimeServlet._doService(RuntimeServlet.java:134) at org.ametys.runtime.servlet.RuntimeServlet.service(RuntimeServlet.java:91) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:390) at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182) at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765) at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418) at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230) at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) at org.mortbay.jetty.Server.handle(Server.java:326) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:536) at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:915) at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:539) at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:405) at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409) at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582) Caused by: javax.xml.transform.TransformerException: Impossible de trouver la variable portant le nom back-office at org.apache.xpath.operations.Variable.fixupVariables(Variable.java:146) ... 97 more