How To Fix BNK019 - Enter the last name of the business partner

SAP Error Message - Details

• Message type: E = Error

• Message class: BNK - Obsolete

• Message number: 019

• Message text: Enter the last name of the business partner

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message BNK019 - Enter the last name of the business partner ?

  The SAP error message BNK019 indicates that the last name of the business partner is missing or not entered in the system. This error typically occurs when you are trying to create or update a business partner record in the SAP system, particularly in the context of financial transactions or customer/vendor management.
  Cause:
  The error is triggered because the system requires the last name (surname) of the business partner to be filled in. This is a mandatory field for certain types of business partners, especially when dealing with individuals (as opposed to organizations).
  Solution:
  To resolve the BNK019 error, follow these steps:
  
  
  Access the Business Partner Transaction:
  
  Go to the transaction where you are creating or editing the business partner (e.g., BP transaction code).
  
  
  
  Locate the Last Name Field:
  
  Navigate to the section of the business partner data where personal information is entered. This is usually under the "General Data" or "Address" tab.
  
  
  
  Enter the Last Name:
  
  Fill in the last name (surname) of the business partner in the appropriate field.
  
  
  
  Save the Changes:
  
  After entering the last name, save the changes to the business partner record.
  
  
  
  Validation:
  
  Ensure that all required fields are filled out correctly to avoid similar errors in the future.
  
  
  
  Related Information:
  
  Business Partner Roles: Depending on the role assigned to the business partner (e.g., customer, vendor), different fields may be required. Make sure to check the specific requirements for the role you are working with.
  Field Requirements: The requirements for fields can sometimes be configured in the system. If you frequently encounter this error, it may be worth reviewing the configuration settings for business partner data.
  Documentation: Refer to SAP documentation or help files for more detailed information on business partner management and the specific fields required for different types of partners.
  
  If the issue persists after ensuring that the last name is entered, consider checking for any additional validation rules or consulting with your SAP administrator for further assistance.