Solution : https://service.sap.com/sap/support/notes/910308 (SAP Service marketplace login required)
Key words :
import manager reports errors due, check table extractor programs needed, missing language dependent field values, generates xml files due, language dependent check tables, missing language dependent, missing customizing values, correction instructions attached, newer mdm releases, consistency check mechanism
Related Notes :
| 964991 | MDMGX: Generic extractor for Customizing data |