Solution : https://service.sap.com/sap/support/notes/203251 (SAP Service marketplace login required)
Key words : 
img > controlling > internal orders > actual postings > settlement > automatic generation, internal orders, automatic generation, create settlement rules, generate settlement rules, including support package 2, k_order_srule_add function module, controlling area, settlement rules, distribution rules
Related Notes : 
       
| 898212 | FICO - Problems with settlement rule | 
| 855514 | Current Release Restrictions for DBM 500 for Ramp Up |