Edit IN MM01/MM01 FIELD MBEW-BKLAS

Hello !!

Could you assistance me? Please !!!

I request a exit/badi.. oregon customizing.. aft the mara-matkl tract is filled successful the basal information tab 1, alteration the mbew-bklas tract successful the accounting tab 1

Input -> MARA-MATKL 

UPDATE/EDIT ->  MBEW-BKLAS. 

Thx !!