Solution : https://service.sap.com/sap/support/notes/113860 (SAP Service marketplace login required)
Key words :
error message 'batch input data, additional key words ke4x, batch input folder generated, external data transfer, batch input session, rk1mxxxx dynpro nnn, transaction ke21 requires, operating concern = xxxx, batch input, error occurs
Related Notes :
21207 | Deleting a charctrstc/value field from an op.concern |