lsmw - bapi's

Hi,

I'm using the Lsmw to migrate my data.. but i have not avaiable in the first step ' Maintain Object Attributes ' all the Bapi's i want.

For example if i try to choose the Business Object (BAPI) - 'BUS1006005' BusinessPartnerERM i ´ve the message 'Enter a valid value'. This shouldn´t happen right? cause i got in the bapi transaction that object represented..

What shoul i do for use this object in my Lsmw?

Best Regards.

Hugo.