when i execute chord iam getting this error
pls help me
de.tud.kom.p2psim.api.
scenario.ConfigurationException: Failed to set the property useRanks in de.tud.kom.p2psim.impl.application.filesharing2.documents.DocumentSpace@4b035d
at de.tud.kom.p2psim.impl.scenario.DefaultConfigurator.configureAttributes(DefaultConfigurator.java:458)
at de.tud.kom.p2psim.impl.scenario.DefaultConfigurator.configureComponent(DefaultConfigurator.java:290)
at de.tud.kom.p2psim.impl.scenario.DefaultConfigurator.configureFirstLevel(DefaultConfigurator.java:251)
at de.tud.kom.p2psim.impl.scenario.DefaultConfigurator.configureAll(DefaultConfigurator.java:209)
at de.tud.kom.p2psim.impl.simengine.Simulator.configure(Simulator.java:235)
at de.tud.kom.p2psim.impl.util.guirunner.impl.SimulationThread.run(SimulationThread.java:68)
Caused by: java.lang.IllegalArgumentException: Cannot set property useRanks as there are no matching methods in class class de.tud.kom.p2psim.impl.application.filesharing2.documents.DocumentSpace
at de.tud.kom.p2psim.impl.scenario.DefaultConfigurator.configureAttributes(DefaultConfigurator.java:446)
… 5 more