Solution : https://service.sap.com/sap/support/notes/946495 (SAP Service marketplace login required)
Key words : 
dealer business management, bapi_internalorder_create bapi, create orders, settlement rule, generated automatically, terms kobs, k_order_srule_add reason, missing development, solution implement, program corrections
Related Notes : 
       
| 967485 | Internal order: Automatic generation with BAPI | 
| 855514 | Current Release Restrictions for DBM 500 for Ramp Up | 
| 546743 | BAPI_INTERNALORDER_CREATE: No SR created from strategy |