Logistics -General > Material Master > Field Selection > Assign field to field selection groups
- Select the field ( MARA- BISMT) with field selection group
- Select the field as required entry for ROH( Material Type)
- Click Save.
While creating the material master (T-Code:MM01) for Raw material material type the field old material number ( MARA-BISMT) field will be required entry.
SAP recommendations :
Creating a new Field Reference group
- Specify a field reference beginning with Y or Z for new field reference keys.
- For new field selection groups,if required can be taken from those are not preconfigured. ( 206 to 240 )