Solution : https://service.sap.com/sap/support/notes/936995 (SAP Service marketplace login required)
Key words :
terminate upgrade program /sapapo/om_lc_upgrade_50, simply skip item b2, extract dp time series, dp time series, execute step b2, composite sap note 932837, attached source code, source release, system displays, implement corrections
Related Notes :
932837 | /SAPAPO/OM_LC_UPGRADE_50: Problems during upgrade |