creation of lsmw for updation of position and pers area

Hi friends,

I am tried many time to update position and personnel area through lsmw for all employees ,at time of recording its coming.But once compltion of lsmw preparation i am uploaded my inputs through tabfile that time its updating only personnel number and infotype and its asking the save the action screen (At the same time its showing one popup below screen like there is no recording for mp000000).Can you tell any one there whats the problem.At the same time is it possible to upload the position and personnel area through lsmw.

Thanks,

arjun.