Solution : https://service.sap.com/sap/support/notes/185227 (SAP Service marketplace login required)
Key words : 
bbp scenario 'plan components, additional key words resbd, master agreement data, order status 'bbpm', function group bbpp, service order', function 'co_mk_resb_amount', function 'co_bt_afpo_read_with_key', terminations occur, /3 backend system
Related Notes : 
       
| 303515 | SAP Bus.-to-Bus. 2.0B Installation: Composite Note | 
| 207897 | |
| 185164 | SAP Bus.-to-Bus. 2.0A Installation: Composite Note |