Report compilation error. Error at (203, 20: null

Help. I'm getting this error on a report that used to work just fine. Here's the stack trace info... Any ideas what this error means?

coldfusion.runtime.report.Report$ReportCompilationException: Report compilation error. Error at (203, 20: null
at coldfusion.runtime.report.Report.compileXml(Report.java:580)
at coldfusion.runtime.report.Report._compileReport(Report.java:181)
at coldfusion.runtime.report.Report.compileReport(Report.java:124)
at coldfusion.runtime.report.Report.runReport(Report.java:235)
at coldfusion.filter.ComponentFilter.invoke(ComponentFilter.java:96)
at coldfusion.filter.ApplicationFilter.invoke(ApplicationFilter.java:225)
at coldfusion.filter.PathFilter.invoke(PathFilter.java:86)
at coldfusion.filter.ExceptionFilter.invoke(ExceptionFilter.java:69)
at coldfusion.filter.ClientScopePersistenceFilter.invoke(ClientScopePersistenceFilter.java:2 8)
at coldfusion.filter.BrowserFilter.invoke(BrowserFilter.java:38)
at coldfusion.filter.GlobalsFilter.invoke(GlobalsFilter.java:38)
at coldfusion.filter.DatasourceFilter.invoke(DatasourceFilter.java:22)
at coldfusion.xml.rpc.CFCServlet.invoke(CFCServlet.java:106)
at coldfusion.xml.rpc.CFCServlet.doGet(CFCServlet.java:157)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
at org.apache.axis.transport.http.AxisServletBase.service(AxisServletBase.java:327)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at coldfusion.bootstrap.BootstrapServlet.service(BootstrapServlet.java:78)
at jrun.servlet.ServletInvoker.invoke(ServletInvoker.java:91)
at jrun.servlet.JRunInvokerChain.invokeNext(JRunInvokerChain.java:42)
at jrun.servlet.JRunRequestDispatcher.invoke(JRunRequestDispatcher.java:257)
at jrun.servlet.ServletEngineService.dispatch(ServletEngineService.java:541)
at jrun.servlet.jrpp.JRunProxyService.invokeRunnable(JRunProxyService.java:204)
at jrunx.scheduler.ThreadPool$DownstreamMetrics.invokeRunnable(ThreadPool.java:318)
at jrunx.scheduler.ThreadPool$ThreadThrottle.invokeRunnable(ThreadPool.java:426)
at jrunx.scheduler.ThreadPool$UpstreamMetrics.invokeRunnable(ThreadPool.java:264)
at jrunx.scheduler.WorkerThread.run(WorkerThread.java:66)