Solution : https://service.sap.com/sap/support/notes/26379 (SAP Service marketplace login required)
Key words :
additional key words unique index, abap/4 language command insert, error situation means, runtime error sapsql_array_insert_duprec, secondary index exists, database catalog tables, entered primary key, primary key, secondary key, unique constraint
Related Notes :
23237 | duplicate keys, duplicate rows, duplicate records |