Solution : https://service.sap.com/sap/support/notes/640462 (SAP Service marketplace login required)
Key words : 
import basis support packages sapkb62001 - sapkb62020, generic typeeedo839 generic table type, stprsokey - sapkb62018/sapkb61029ttabstripitem - sapkb62027/, 'ddic_activation' import phase terminates, e- generic table type, generic table type stprsokey, basis support packages, stprsokey table type, generic table types, edo837 table type
Related Notes : 
       
| 782140 | OCS: Known problems with Support Packages in Basis Rel. 6.20 | 
| 509847 | Error when activating a generic table type | 
| 447925 | OCS: Known problems with Supp. Packages in Basis Rel.6.20 | 
| 400280 | OCS: Known problems with Support Pkgs in Basis Release 6.10 |