Hi Vincent,
first if all, you need to assign the valuation area 001 to the respective Accounting code (which is in 1:1 relationship with Company code, in your case HNPF) - you should do this in Customizing: SPRO -> [...] -> TRM -> Transaction Manager -> General Settings -> Accounting -> Organization -> Assign Accounting Codes and Valuation Areas.
Kind regards,
Renatas