How To Fix WEBFI_MASTER306 - Bank details with bank type & already exist

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 306

• Message text: Bank details with bank type & already exist

Self-Explanatory Message

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• What is the cause and solution for SAP error message WEBFI_MASTER306 - Bank details with bank type & already exist ?

  SAP Error Message:
  
  WEBFI_MASTER306 Bank details with bank type & already exist
  
  Cause:
  This error occurs when you try to create or add bank details for a vendor or customer in SAP, and the system detects that bank details with the same bank type already exist for that business partner. In SAP, each bank type (e.g., house bank, vendor bank, customer bank) must be unique per business partner. The system prevents duplicate entries to maintain data consistency.
  
  Explanation:
  
  Bank Type: This is a classification of bank details, such as:
  
  1 = House Bank
  2 = Vendor Bank
  3 = Customer Bank
  etc.
  
  
  When you add bank details, SAP checks if the bank type already exists for that partner.
  If a bank detail with the same bank type is already maintained, SAP throws this error to avoid duplicates.
  
  
  Solution:
  
  
  Check Existing Bank Details:
  
  Go to the vendor/customer master data (transaction codes like FK03 for vendor display, FD03 for customer display).
  Navigate to the bank details tab.
  Verify if bank details with the same bank type already exist.
  
  
  
  Modify or Use Existing Bank Details:
  
  If the existing bank details are correct, you do not need to add new ones.
  If you want to update bank details, modify the existing entry instead of creating a new one.
  
  
  
  Use a Different Bank Type:
  
  If you need to add another bank account, use a different bank type if applicable.
  
  
  
  Delete Incorrect or Duplicate Bank Details:
  
  If the existing bank details are incorrect or duplicates, delete them before adding new ones.
  
  
  
  Check Customizing (if applicable):
  
  Sometimes, bank types are customized in IMG under:
  Financial Accounting -> Bank Accounting -> Bank Master Data -> Define Bank Types
  Ensure that bank types are correctly defined and assigned.
  
  
  
  
  Additional Information:
  
  This error is common during vendor or customer master data maintenance.
  It helps maintain the integrity of bank master data.
  Bank details are critical for payment processing, so duplicates can cause payment errors.
  Always ensure that bank details are unique per bank type for each business partner.
  
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Error
  Bank details with bank type & already exist
  
  
  Cause
  Duplicate bank details with the same bank type for a business partner
  
  
  Solution
  Check existing bank details, modify or delete duplicates, or use a different bank type
  
  
  
  
  If you need help with specific transaction codes or customizing paths, feel free to ask!