Diagnosis
It was attempted to cancel a Nota Fiscal that has been createdautomatically. The cancel function is only allowed for Notas Fiscaiswhich have been created via Writer.

System Response
The Nota Fiscal was not canceled.

Procedure
In order to cancel this Nota Fiscal, please use the originaltransaction that has been used to create it. (E.g. Billing, InvoiceVerification, etc.)