Diagnosis
Customer group &V1& is not allowed.
INCLUDE 'NA_NO_PROCESSING_2' OBJECT DOKU ID TX LANGUAGE E

Procedure
Check in table T151T whether an entry for customer group &V1&exists in the language in which you have logged on. If the entry ismissing, enter it in the logon language.
If you do not have the authorization to do this, contact your systemadministrator.