Отчет BIRT org.eclipse.birt.report.service.api.ReportServiceException: ошибка при выполнении отчета

Question

У меня проблема ниже, и я работаю с отчетом BIRT и сервером tomcat 7

org.eclipse.birt.report.service.api.ReportServiceException: Error happened while running the report.

Caused by: org.eclipse.birt.report.engine.api.EngineException: Error happened while running the report.
   at org.eclipse.birt.report.engine.api.impl.RenderTask.render(RenderTask.java:308)
   at org.eclipse.birt.report.service.ReportEngineService.renderReport(ReportEngineService.java:1545)
... 54 more
Caused by: java.lang.NoClassDefFoundError: org/eclipse/birt/report/engine/api/script/IReportContext