Creating Report from project fails to produce output

...and appears to throw an exception.  I tried the nightly build but it doesn't include any of the built in reports.

EDIT:  Forgot to include error stack:

Tue Jun 23 10:37:36 EDT 2009:ERROR:java.lang.NullPointerException   java.lang.NullPointerException   at com.eviware.soapui.reporting.reports.support.AbstractJasperSubReport.getReportClassName(SourceFile:50)   at com.eviware.soapui.reporting.engine.jasper.GenerateJasperReport.a(SourceFile:545)   at com.eviware.soapui.reporting.engine.jasper.GenerateJasperReport.createReport(SourceFile:421)   at com.eviware.soapui.reporting.engine.jasper.GenerateJasperReport$ReportFillWorker.construct(SourceFile:388)   at com.eviware.soapui.support.swing.SwingWorkerDelegator.construct(SwingWorkerDelegator.java:46)   at com.eviware.soapui.support.swing.SwingWorker$2.run(SwingWorker.java:140)   at java.lang.Thread.run(Unknown Source)