LFEI and MAPE tables are related to the Preference Determination.
The vendor declaration indicator for a vendor material is stored for each preference zone in the LFEI database table. This structure is linked to the purchasing info record.
Aggregating all vendor declaration indicators is done at plant level for every preference zone. The aggregated vendor declaration indicator is stored in the MAPE database table. This database is linked to the material master.
I don't know how to update/modify the zone in each table ... For example, with MK01, and can't access to the zone ....
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