Solution : https://service.sap.com/sap/support/notes/149957 (SAP Service marketplace login required)
Key words :
'additional key words startsap, 'database startup failed, database oracle, sap system, phase kx_switch, error occurs, prerequisites error, sapenv_<hostname>, sh solution, word 'set'
Related Notes :
151833 | Additional Info: Upgrading to FCS 4.5B |