Solution : https://service.sap.com/sap/support/notes/782368 (SAP Service marketplace login required)
Key words :
select client psobkey partner partneracctyp, updates dpsob_bp_acc set xobsl = space, read table lt_dpsob_bp_acc_key index lv_dbcnt, read table lt_dpsob_bp_acc_key index 1, release upgrade xobsl reason, client type mandt, partneracctyp type vktyp_kk, lv_dbcnt = sy-dbcnt, minimal work load, parnter type bu_partner
Related Notes :
626337 | PSCD: Work after release upgrade, Support Package import |