SAP Message BE027 - External number assignment not available

Diagnosis
You have tried to specify a document number when creating a fundsreservation.
The SAP system produces a numbered document for each posting. Changesare documented and thus clearly identifiable.
Prerequisites:
the number range object exists
one or more number range intervals have been created, and
you have thus determined whether document numbers are allocated
by the system (internal number allocation), or
by the user (external number allocation)
You have entered a document number

  • for which there is no interval, or

  • which falls into an interval provided for internal number allocation.
  • System Response
    INCLUDE NA_ALLG_NOVERARBEITUNG OBJECT DOKU ID TX LANGUAGE E

    Procedure
    Delete your input and access the relevant entry screen. When yousave the document, the system allocates a number to it.