Solution : https://service.sap.com/sap/support/notes/206001 (SAP Service marketplace login required)
Key words :
additional key words language export, calculated completely correctly, language export, full export, package export, displayed correctly, selected correctly, transport modes, object type, data elements
Related Notes :
334513 | RSLTEXPO exports nothing, not enough or terminates |
123235 | Language installation after patch import |
100168 | language export 4.0B |