Dear Friend,
*I did follow your instructions as below and did the SPRO settings in Golden client , then transported it to testing client , however i am unable to see it on testing client in spite of transport request running successfully*
To make the Profit center field Mandatory in MMR...........
Goto
SPRO
-Logistics - General
Material Master
Field Selection
Assign Fields to Field Selection Groups
Enter Find Field Name
Here enter the Table and field name MARC-PRCTR
Then select the field name MARC-PRCTR
And select the Field selection maint arrow in the right side
Then select your material type for which you want to make the Profit center field as mandatory field..and save it .....
Check the same in MMR it will be a reuqried entry ...............
Hope this may help you...
Dharmveer Vishw...