How To Fix BF00051 - Do not enter a CNPJ in conjunction with a natural person

BF00051 - Overview

• Message type: E = Error

• Message class: BF00 - FI: Application base reports

• Message number: 051

• Message text: Do not enter a CNPJ in conjunction with a natural person

What causes this issue?

The CNPJ code is not defined for natural persons (sole proprietors).

System Response

The system does not allow you to make any entries under CNPJ.

How to fix this error?

If the customer/vendor is a natural person (sole proprietor), enter a
CPF. If not, do not give the customer/vendor a code for a natural
person.

Error message extract from SAP system. Copyright SAP SE.

BF00051 - Details

• The SAP error message BF00051, which states "Do not enter a CNPJ in conjunction with a natural person," typically occurs in the context of Brazilian tax regulations. CNPJ (Cadastro Nacional da Pessoa Jurídica) is the Brazilian National Registry of Legal Entities, while a natural person refers to an individual (CPF - Cadastro de Pessoas Físicas).
  
  Cause:
  This error arises when there is an attempt to associate a CNPJ (which is used for companies) with a record that is also designated as a natural person (individual). In Brazil, a legal entity (CNPJ) and a natural person (CPF) are distinct categories, and they cannot be mixed in certain transactions or records within the SAP system.
  
  Solution:
  To resolve this error, you should:
  
  
  Check the Data Entry: Review the data you are entering in the relevant fields. Ensure that you are not mixing CNPJ and CPF in the same record. If you are dealing with a legal entity,