Solution : https://service.sap.com/sap/support/notes/1620229 (SAP Service marketplace login required)
Key words :
software component mdm_cont mdm content, manual post-implementation step manually, nw mdm customer content, nw mdm customer repository, import customer master data, manual post-implement, importing customizing data, correct customizing data, notice missing entries, allowed tax classifications
Related Notes :
1643187 | MDMGX: Correction for Material Allowed Tax Classification |
1412742 | MDM Customer Content Information (Release MDM 7.1+) |