Load data from infocube

Hi,

I am trying to load the data from Infocube to Planning Area using tcode- TSCUBE.

I am seeing the message - 3468 combinationens of InfoCube are not contained in the BasisPlobStru.

Please explain me the meaning and tell me what needs to be done.

Also what is the date range we give in From and To field. date range of what ?

Thanks in advance

Prabhat