Master data management is indeed a corner stone for a module and data integrity is halted if it is not managed on proper basis. If we talk about master data management in SAP MM then material master comes insight first. I want forum's feedback on essential elements of SAP MM material master data. Which elements needs to be null and void part for material master for an FMCG..What should be the ideal hierarchy for designing MM material master data.. I mean , i need to know the ideal master data set up for an FMCG based industry..Waiting for forum's feedback.