Solution : https://service.sap.com/sap/support/notes/662745 (SAP Service marketplace login required)
Key words :
selecting function group frml961, terms formula view, leading zeros reason, inserting parameter i_flg_matnr_conv, function module frml961_provide_po_frml, 'import' tab page, function module, import interface, system responds, termination message
Related Notes :
| 888827 | RMWB: Material display in the structure layout |
| 655973 | RMGMT210: Corrections in Support Package 05 |