Solution : https://service.sap.com/sap/support/notes/898212 (SAP Service marketplace login required)
Key words :
terms /dbm/co_ac_create_settle_rule, billing document, invoice button, system issues, error message, settlement rule, internal order, controlling area, company code, program error
Related Notes :
203251 | K_ORDER_SRULE_ADD: incorrect values in distribution rule |