Error when restoring version 3.2 XML backup

2010-04-23 13:58:17,406 ERROR [Importing data task] [confluence.importexport.xmlimport.BackupImporter] importEntities Cannot import the entities:
 -- referer: http://localhost/confluence/admin/backup.action | url: /confluence/admin/restore.action | userName: admin | action: restore
com.atlassian.confluence.importexport.ImportExportException: Error performing import: Error processing backup. Refer to logs for more details.
	at com.atlassian.confluence.importexport.xmlimport.legacy.LegacyXmlImporter.doImport(LegacyXmlImporter.java:45)
	at com.atlassian.confluence.importexport.xmlimport.BackupImporter.importEntities(BackupImporter.java:314)
	at com.atlassian.confluence.importexport.xmlimport.BackupImporter.importEverything(BackupImporter.java:275)
	at com.atlassian.confluence.importexport.xmlimport.FileBackupImporter.importEverything(FileBackupImporter.java:103)
	at com.atlassian.confluence.importexport.xmlimport.BackupImporter.doImport(BackupImporter.java:107)
	at com.atlassian.confluence.importexport.xmlimport.FileBackupImporter.doImport(FileBackupImporter.java:45)
	at com.atlassian.confluence.importexport.DefaultImportExportManager.importAs(DefaultImportExportManager.java:74)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:304)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:182)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149)
	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:106)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
	at $Proxy76.importAs(Unknown Source)
	at com.atlassian.confluence.importexport.actions.ImportLongRunningTask.runInternal(ImportLongRunningTask.java:60)
	at com.atlassian.confluence.util.longrunning.ConfluenceAbstractLongRunningTask.run(ConfluenceAbstractLongRunningTask.java:21)
	at java.lang.Thread.run(Unknown Source)
Caused by: net.sf.hibernate.HibernateException: Error processing backup. Refer to logs for more details.
	at com.atlassian.confluence.importexport.xmlimport.legacy.ReverseDatabinder.fromXML(ReverseDatabinder.java:133)
	at com.atlassian.confluence.importexport.xmlimport.legacy.LegacyXmlImporter.doImport(LegacyXmlImporter.java:38)
	... 20 more
Caused by: java.lang.NoSuchMethodException: com.atlassian.confluence.pages.attachments.ImageDetailsDto.<init>()
	at com.atlassian.confluence.importexport.xmlimport.legacy.ReverseDatabinder.endElement(ReverseDatabinder.java:280)
	at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
	at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanEndElement(Unknown Source)
	at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$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(Unknown Source)
	at com.atlassian.confluence.importexport.xmlimport.legacy.ReverseDatabinder.fromXML(ReverseDatabinder.java:115)
	... 21 more
Caused by: java.lang.NoSuchMethodException: com.atlassian.confluence.pages.attachments.ImageDetailsDto.<init>()
	at java.lang.Class.getConstructor0(Unknown Source)
	at java.lang.Class.getConstructor(Unknown Source)
	at com.atlassian.confluence.importexport.xmlimport.legacy.ImportedObject.readObjectId(ImportedObject.java:96)
	at com.atlassian.confluence.importexport.xmlimport.legacy.ReverseDatabinder.endElement(ReverseDatabinder.java:214)