SAP Message BE029 - Document number & is outside the valid range

Diagnosis
The SAP system generates a numbered document for each posting. Changesare documented and are thus immediately identifiable.
Prerequisites:
the number range object exists
a number range interval has been created
you have stipulated whether
the system assigns document numbers (internal number allocation) or
you assign document numbers (external number allocation)
Document number &V1& is outside the validity range provided for number
range:
01 Funds reservation
10 Fixed price agreement
11 Fixed price allocation

System Response
INCLUDE NA_ALLG_NOVERARBEITUNG OBJECT DOKU ID TX LANGUAGE E

Procedure
Notify the system administrator or another person, who is authorized todefine number range intervals.
INCLUDE NA_ALLG_VORGEHEN OBJECT DOKU ID TX LANGUAGE E
Access the relevant number range interval in Customizing and make anynecessary changes.