Solution : https://service.sap.com/sap/support/notes/1228898 (SAP Service marketplace login required)
Key words : 
st-pi 2008_1_46c sap_aba 46c sapka46c20 sap_basis 46c sapkb46c20 st-pi 2008_1_620 sap_aba 620 sapkb62020 sap_basis 620 sapka62020 st-pi 2008_1_640 sap_aba 640, -> st-pi ->st-pi 2008_1_[sap-release] delta upgrade 2008_1_46c sapkitlrab kitlrab, tp latest spam/saint update required component support packages load, transport directory 30 mb net runtime 20 min additional notes, conditions 70228 overview note 116095 release strategy note 539977 ocs, st-pi 2008_1_710 sap_aba 710, st-pi 2008_1_700 sap_aba 700, st-pi installation/delta upgrade package, st-pi 003a_[sap release], /installationsplug-ins -> sap solution tools plug-
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