Solution : https://service.sap.com/sap/support/notes/861842 (SAP Service marketplace login required)
Key words :
'variant' input field, empty extraction object, incorrect variant, extraction object, local configuration, terms extraction, mdm_clnt_extr reason, program error, local extraction, save immediately
Related Notes :
| 1035601 | MDM: Extraction of Master Data Objects from SAP systems |
| 997213 | MDM_CLNT_EXTR: Error when extracting all data |