How To Fix WEBFI_MASTER304 - Bank details with bank number & and account number & already exist

SAP Error Message - Details

• Message type: E = Error

• Message class: WEBFI_MASTER - Web Financials: Business Partner Master Data

• Message number: 304

• Message text: Bank details with bank number & and account number & already exist

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 WEBFI_MASTER304 - Bank details with bank number & and account number & already exist ?

  The SAP error message:
  WEBFI_MASTER304: Bank details with bank number & and account number & already exist
  
  
  Cause:
  This error occurs when you try to create or update bank details (such as a bank account) for a vendor, customer, or employee in SAP, but the combination of bank number and account number you are entering already exists in the system for another master record. SAP enforces uniqueness for bank details to avoid duplicate entries and potential payment errors.
  In other words, the system detects that the bank account you are trying to assign is already linked to another master record, which is not allowed.
  
  Where it typically occurs:
  
  Vendor master data (transaction FK01/FK02)
  Customer master data (transaction XD01/XD02)
  Employee master data (HR module)
  Bank master data maintenance
  
  
  
  Solution:
  
  
  Check existing bank details:
  
  Use transaction FI12 (Bank Directory) or FI13 (Display Bank) to verify the bank number.
  Check if the bank account number is already assigned to another vendor/customer/employee.
  
  
  
  Identify the conflicting master record:
  
  Use reports