Diagnosis
You have not created a fixed price version, which you must do beforeyou can enter a fixed price agreement.

System Response
INCLUDE NA_ALLG_NOVERARBEITUNG OBJECT DOKU ID TX LANGUAGE E

Procedure
Notify the system manager or another person authorized to configure thesystem.

Action by system manager:
Define a fixed price version in the implementation guidelines.
INCLUDE NA_ALLG_VORGEHEN OBJECT DOKU ID TX LANGUAGE E