error Register the work items for universal worklist

Hi Everybody:

I hope you can Help me, so.....wen I try tu perform the universal worklist wizard from NetWeaerAdministrator (nwa>Configuration>scenarios>Configuration wizard>Universal Worklist UWL) y get the error "error Register the work items for universal worklist".

I have executed this wizard with DDIC and Administrator user y the problem isn´t solved.

Thank you.