!ENTRY org.eclipse.core.jobs 4 2 2018-01-08 16:02:59.421 !MESSAGE An internal error occurred during: "Export Product". !STACK 0 java.lang.NoSuchMethodError: org.eclipse.libra.warproducts.core.WARProductExportOperation.cleanup([Ljava/lang/String;Lorg/eclipse/core/runtime/IProgressMonitor;)V at org.eclipse.libra.warproducts.core.WARProductExportOperation.run(WARProductExportOperation.java:157) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:56)