Diagnosis
For document type &V1&, no external number range isdefined. Therefore, external number assignmentis not possible.
INCLUDE 'NA_NO_PROCESSING_2' OBJECT DOKU ID TX LANGUAGE EN
INCLUDE 'NA_CHECK_ENTRY' OBJECT DOKU ID TX LANGUAGE EN
If you want external number assignment to be allowed, you must specifyan external number range for this document type.
INCLUDE 'NA_CUST_MAINTAIN_3' OBJECT DOKU ID TX LANGUAGE EN