Solution : https://service.sap.com/sap/support/notes/485926 (SAP Service marketplace login required)
Key words :
attached source code corrections, billing plan tab page, terms billing plan, 'deactivate billing plan', function module crm_intlay_billplan_deact, function group crm_intlay_deact, import parameter iv_kind, reference type crmt_object_kind, export parameter ev_billplan_active, reference type crmt_boolean
Related Notes :
450366 | SAPKU30007: Support Package 7 for EBP 3.0/CRM 3.0 |