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java.lang.IllegalArgumentException: Namespace  is not defined.  
org.pentaho.reporting.libraries.xmlns.writer.XmlWriterSupport.writeTag(XmlWriterSupport.java:642)  
org.pentaho.reporting.libraries.xmlns.writer.XmlWriter.writeTag(XmlWriter.java:214)	at org.libreoffice.report.pentaho.output.text.TextRawReportTarget.startOther(TextRawReportTarget.java:693)	at org.libreoffice.report.pentaho.output.OfficeDocumentReportTarget.startElement(OfficeDocumentReportTarget.java:706)	at org.jfree.report.flow.layoutprocessor.ElementLayoutController.startElement(Unknown Source)	at org.jfree.report.flow.layoutprocessor.ElementLayoutController.advance(Unknown Source)	at org.jfree.report.flow.AbstractReportProcessor.processReportRun(Unknown Source)	at org.jfree.report.flow.SinglePassReportProcessor.processReport(Unknown Source)	at org.libreoffice.report.pentaho.PentahoReportJob.execute(PentahoReportJob.java:341)	at org.libreoffice.report.pentaho.SOReportJobFactory$_SOReportJobFactory.execute(SOReportJobFactory.java:217)