How To Fix MY403 - No unique assignment of delta accounts to stock account

SAP Error Message - Details

• Message type: E = Error

• Message class: MY - Messages for Balance Sheet Valuation(Low.Val.Det./LIFO/FIFO)

• Message number: 403

• Message text: No unique assignment of delta accounts to stock account

Check the delta balance sheet accounts and offsetting accounts.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MY403 - No unique assignment of delta accounts to stock account ?

  The SAP error message MY403 ("No unique assignment of delta accounts to stock account") typically occurs in the context of inventory management and accounting when there is an issue with the configuration of accounts in the system. This error indicates that the system cannot determine which delta account should be used for a specific stock account because there are multiple possible assignments.
  Cause:
  
  Multiple Delta Accounts: The primary cause of this error is that there are multiple delta accounts assigned to a single stock account in the configuration. This can happen if the configuration for the stock accounts in the Financial Accounting (FI) module is not set up correctly.
  Configuration Issues: The configuration in the Customizing settings for the Material Ledger or Inventory Management may not be properly defined, leading to ambiguity in account determination.
  Missing or Incorrect Settings: There may be missing or incorrect settings in the account determination for the material types or valuation classes.
  
  Solution:
  To resolve the MY403 error, you can follow these steps:
  
  
  Check Account Determination:
  
  Go to the transaction code OBYC (Automatic Account Determination).
  Check the settings for the relevant valuation class and ensure that there is a unique delta account assigned to the stock account.
  
  
  
  Review Configuration:
  
  Ensure that the configuration for the material types and valuation classes is correct. Each material type should have a unique assignment to the stock account.
  If there are multiple entries for the same valuation class, you may need to consolidate them or ensure that they point to the correct delta account.
  
  
  
  Adjust Settings:
  
  If you find multiple delta accounts assigned to the same stock account, you will need to adjust the settings to ensure that only one delta account is assigned.
  You may need to consult with your finance team or SAP consultant to ensure that the changes align with your accounting practices.
  
  
  
  Test Changes:
  
  After making the necessary adjustments, perform a test transaction to ensure that the error no longer occurs.
  
  
  
  Documentation:
  
  Document any changes made to the configuration for future reference and to maintain a clear audit trail.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OBYC for account determination and MM02 for material master changes.
  SAP Notes: Check for any relevant SAP Notes that may provide additional guidance or fixes related to this error.
  User Roles: Ensure that you have the necessary authorizations to make changes in the configuration settings.
  
  If the issue persists after following these steps, it may be beneficial to consult with an SAP expert or your internal SAP support team for further assistance.