SoapUO-Pro-2.5.1 with ant

I get a similar/the same error when i launch testrunner from the gui.
All tests pass but there is an error at the end when generating the report.
Is this problem solved?

Errormsg:
2009-02-26 12:22:01,627 ERROR [errorlog] java.lang.NoClassDefFoundError: org/apache/xml/serializer/ExtendedContentHandler
java.lang.NoClassDefFoundError: org/apache/xml/serializer/ExtendedContentHandler
at org.apache.xalan.processor.XSLTSchema.build(XSLTSchema.java:325)
at org.apache.xalan.processor.XSLTSchema.(XSLTSchema.java:72)
at org.apache.xalan.processor.StylesheetHandler.(StylesheetHandler.java:1290)
at org.apache.xalan.processor.TransformerFactoryImpl.newTemplatesHandler(TransformerFactoryImpl.java:376)
at org.apache.xalan.processor.TransformerFactoryImpl.newTemplates(TransformerFactoryImpl.java:867)
at com.eviware.soapui.impl.wsdl.actions.testcase.CreateReportAction.initTransformers(SourceFile:178)
at com.eviware.soapui.impl.wsdl.actions.testcase.CreateReportAction.a(SourceFile:122)
at com.eviware.soapui.impl.wsdl.actions.testcase.CreateReportAction.createReport(SourceFile:115)
at com.eviware.soapui.SoapUIProTestCaseRunner.exportJUnitReports(SourceFile:104)
at com.eviware.soapui.tools.SoapUITestCaseRunner.exportReports(SoapUITestCaseRunner.java:360)
at com.eviware.soapui.SoapUIProTestCaseRunner.exportReports(SourceFile:95)
at com.eviware.soapui.tools.SoapUITestCaseRunner.runRunner(SoapUITestCaseRunner.java:341)
at com.eviware.soapui.tools.AbstractSoapUIRunner.run(AbstractSoapUIRunner.java:127)
at com.eviware.soapui.tools.AbstractSoapUIRunner.runFromCommandLine(AbstractSoapUIRunner.java:72)
at com.eviware.soapui.SoapUIProTestCaseRunner.main(SourceFile:34)
Caused by: java.lang.ClassNotFoundException: org.apache.xml.serializer.ExtendedContentHandler
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
... 15 more