Solution : https://service.sap.com/sap/support/notes/935433 (SAP Service marketplace login required)
Key words :
enhancements incl_eew_pd_header_ssf_ctr - sap internal enhancementsare, error messageis raised indicating, adding user-defined fields, generic header structure incl_eew_pd_header_csf, user-defined fields, terms customer fields, generic header structure, customer defined field, edit datatype bbps_po_novation, 2 includes incl_eew_pd_header_csf_ctr - cust
Related Notes :
| 672960 | User-defined fields 2 |