MRP storage location
to check for all materials in a given plant if 'Storage location MRP' details is maintained or not in MRP-4 view of material master.
Whatever soln. i suggested is still valid for ur prob. now to extend it little bit follow below said.
If u follow above said steps from previous post..u will get MRP indi. Tab...double click in open space against that tab....U will get list of selection options...select not equal to 1..and execute report ..
It will give u List of Items for which Storage Location MRP is not maintained
Hope this will silve ur prob