installation pbm

Hi All,

Trying to install wM8 on UNIX , but we are getting the below error.Can some one suggest on this…

Exception in thread “AWT-EventQueue-0” java.lang.NoSuchMethodError: com.wm.distman.install.DebugLog.debug(ILjava/lang/String;)V
at com.wm.distman.custominstall.ServerLog.warnln(ServerLog.java:70)
at com.wm.distman.custominstall.InstallDirWizardPanel.installInit(InstallDirWizardPanel.java:153)
at com.wm.distman.install.GenericInstallerActionPanel.installSetupUI(GenericInstallerActionPanel.java:96)
at com.wm.distman.install.DistManGUI.displayWizardPanel(DistManGUI.java:1113)
at com.wm.distman.install.DistManGUI.nextInstallerPanel(DistManGUI.java:1035)
at com.wm.distman.install.PanelThread$1.run(PanelThread.java:60)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:461)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:110