Solution : https://service.sap.com/sap/support/notes/518333 (SAP Service marketplace login required)
Key words : 
message determination update termination sapsql_array_insert_duprec occurs, problem occurs, make additions, purchase order, transaction me21, partner roles, terms partner, me9f reason, solution implement, duplicated
Related Notes : 
       
| 431351 | ME22N Change purchase order, no new partner determination |