Solution : https://service.sap.com/sap/support/notes/570145 (SAP Service marketplace login required)
Key words :
mysap discrete industry solutionmysap aeropspace & defensemysap engineering & constructionmysap hitechmysap automotivemysap software solution code correction, withfollowing industry add ons, ghave activated mpn conversion exit, select menu optionenvironment -> field, internal correction system, vendor master maintain dailog, thatthis manufacturer code, manufacturer code hasbeen, mpn conversion exit, vendormaster field emnfr
Related Notes :
611875 | Flexible MPN Uniqueness Check with DI/DIMP ( R/3) |