Solution : https://service.sap.com/sap/support/notes/765108 (SAP Service marketplace login required)
Key words :
scheduling agreement schedule lines, red traffic lights, source code corrections, transaction data, business point, comparison, prerequisites, technically, deactivate
Related Notes :
770673 | /SAPAPO/OM_LC_UPGRADE_41: Problems during the upgrade |
681010 | /SAPAPO/OM_LC_UPGRADE_3X_40: Problems during upgrade |