Diagnosis
You have specified the value &V1& in the field Invoice number(vendor), i.e. the nota fiscal number.
However, the system has detected that in the backend system a notafiscal with this number already exists for the actual vendor andposting date. This is not allowed.

System Response
The system cannot post the invoice.

Procedure
Check your input.
If the nota fiscal number of the invoice you are going to post wasentered correctly, contact your system administration. A possible causeof this error can be that the invoice was already posted.