Solution : https://service.sap.com/sap/support/notes/730413 (SAP Service marketplace login required)
Key words :
abap/4 open sql array insert results, runtime error sapsql_array_insert_duprec exception cx_sy_open_sql_db, duplicate database records, bdoc messages sporadically, bdoc messages fails, bdoc messages remain, terms bdoc message, bdoc types concerned, attached correction instructions, <bdoc type short
Related Notes :
| 754192 | BDoc messages remain in status I01 |
| 623195 | Flow-specific entries in the SMOFPARSFA table |