Transaction &1 &2 &3 is not defined

What causes this issue?

This combination of item category &V1& and MRP type for material
&V2& is not allowed.
INCLUDE 'NA_NO_PROCESSING_1' OBJECT DOKU ID TX LANGUAGE E
INCLUDE 'NA_CHECK_ENTRY' OBJECT DOKU ID TX LANGUAGE E
You can display the combination defined in table TVEPZ, which controls
scheduling line category determination, and change it as required if you
have the authorization to do so. The MRP type for the material may
be changed in the material master.

Error message extract from SAP system. Copyright SAP SE.