How To Fix WN455 - No customer and no supplier assigned to business partner &1

SAP Error Message - Details

• Message type: E = Error

• Message class: WN - Plant master data maintenance (integrated)

• Message number: 455

• Message text: No customer and no supplier assigned to business partner &1

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WN455 - No customer and no supplier assigned to business partner &1 ?

  The SAP error message WN455 "No customer and no supplier assigned to business partner &1" typically occurs when you are trying to perform an operation related to a business partner (BP) that requires it to be linked to either a customer or a supplier, but no such assignment exists for the specified business partner.
  Cause:
  
  Missing Assignments: The business partner you are trying to use does not have any customer or supplier roles assigned to it.
  Incorrect Business Partner: The business partner number you are using may be incorrect or does not exist in the system.
  Data Inconsistency: There may be inconsistencies in the data or configuration that prevent the assignment of customer or supplier roles.
  
  Solution:
  
  
  Check Business Partner Roles:
  
  Go to the Business Partner transaction (BP) in SAP.
  Enter the business partner number that is causing the error.
  Check the roles assigned to the business partner. Ensure that at least one of the roles for customer (e.g., "FLCU00" for customer) or supplier (e.g., "FLVN00" for vendor) is assigned.
  
  
  
  Assign Customer/Supplier Role:
  
  If the required roles are missing, you can assign them:
  
  In the BP transaction, select the business partner and go to the "Roles" tab.
  Add the necessary roles (customer or supplier) and fill in the required data.
  Save the changes.
  
  
  
  
  
  Verify Data:
  
  Ensure that the business partner data is complete and consistent. Check for any missing mandatory fields that might prevent the assignment of roles.
  
  
  
  Consult Documentation:
  
  If you are unsure about the roles or the process, refer to the SAP documentation or help resources for guidance on managing business partners.
  
  
  
  Authorization Check:
  
  Ensure that you have the necessary authorizations to view and modify business partner data.
  
  
  
  Related Information:
  
  Business Partner Concept: In SAP, the Business Partner (BP) concept is used to manage all entities (customers, vendors, etc.) in a unified manner. Each business partner can have multiple roles, such as customer, supplier, or employee.
  Transaction Codes: Common transaction codes related to business partners include:
  
  BP: Business Partner Maintenance
  BP_MON: Business Partner Monitoring
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or refer to SAP community forums for further assistance.