Solution : https://service.sap.com/sap/support/notes/990601 (SAP Service marketplace login required)
Key words :
authorization check, programs btctrns1, terms bp_upgrade_begin, bp_upgrade_end reason, program error, support package, correction instruction, require authorization, 's_btch_adm' object, tbtco table
Related Notes :
37425 | Cancel job during upgrade |