Error during import of demo file

My import file in attachment, please note that my pages had been imported any way

started @ Tue Dec 23 14:14:47 CET 2008
2008-12-23 14:14:48,051: ERROR [org.jahia.services.importexport.ImportExportBaseService] - Cannot import
javax.jcr.nodetype.ConstraintViolationException: no definition found in parent node's node type for new node: no matching child node definition found for {}acl: no matching child node definition found for {}acl
at org.jahia.services.importexport.DocumentViewImportHandler.startElement(DocumentViewImportHandler.java:125)
at org.apache.xerces.parsers.AbstractSAXParser.startElement(Unknown Source)
at org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanStartElement(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
at org.apache.xerces.jaxp.SAXParserImpl.parse(Unknown Source)
at javax.xml.parsers.SAXParser.parse(SAXParser.java:176)
at org.jahia.services.importexport.ImportExportBaseService.handleImport(ImportExportBaseService.java:1450)
at org.jahia.services.importexport.ImportExportBaseService.importFile(ImportExportBaseService.java:780)
at org.jahia.services.importexport.ImportExportBaseService.importFile(ImportExportBaseService.java:723)
at org.jahia.services.importexport.ImportExportBaseService$$FastClassByCGLIB$$de1c40f7.invoke(<generated>)
at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)
at org.springframework.aop.framework.Cglib2AopProxy$CglibMethodInvocation.invokeJoinpoint(Cglib2AopProxy.java:700)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149)
at org.springframework.aop.interceptor.AbstractTraceInterceptor.invoke(AbstractTraceInterceptor.java:113)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
at org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:635)
at org.jahia.services.importexport.ImportExportBaseService$$EnhancerByCGLIB$$6b351750.importFile(<generated>)
at org.jahia.services.importexport.ImportJob.executeJahiaJob(ImportJob.java:92)
at org.jahia.services.scheduler.BackgroundJob.execute(BackgroundJob.java:144)
at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:525)
[GC 247860K->158584K(1023680K), 0.0118184 secs]
2008-12-23 14:14:48,410: INFO [org.jahia.services.importexport.ImportHandler] - Import starts (en)