Eclipse Pydev update error ?

[Linuxguy123]

Does anyone know why this error is occurring in my Eclipse Pydev
update ?

An error occurred while collecting items to be installed
  No repository found containing:
org.python.pydev/osgi.bundle/1.4.7.2843
  No repository found containing:
org.python.pydev.ast/osgi.bundle/1.4.7.2843
  No repository found containing:
org.python.pydev.core/osgi.bundle/1.4.7.2843
  No repository found containing:
org.python.pydev.debug/osgi.bundle/1.4.7.2843
  No repository found containing:
org.python.pydev.feature/org.eclipse.update.feature/1.4.7.2843
  No repository found containing:
org.python.pydev.help/osgi.bundle/1.4.7.2843
  No repository found containing:
org.python.pydev.jython/osgi.bundle/1.4.7.2843
  No repository found containing:
org.python.pydev.parser/osgi.bundle/1.4.7.2843
  No repository found containing:
org.python.pydev.refactoring/osgi.bundle/1.4.7.2843
  No repository found containing:
org.python.pydev.templates/osgi.bundle/1.4.7.2843
  No repository found containing:
org.python.pydev.customizations/osgi.bundle/1.4.7.2843

Thanks