How To Fix 5D428 - Contribution calculation from share with non-unique assessment basis

SAP Error Message - Details

• Message type: E = Error

• Message class: 5D - Error Messages for German Infotype Module Pools

• Message number: 428

• Message text: Contribution calculation from share with non-unique assessment basis

What causes this issue?

You want to calculate the contribution of the module as a proportion.
However, the entries you made to not show a clear reference of the
proportion to a base. When you enter a proportion, you have to enter one
of the Base Wage Type or Basis Module fields.

How to fix this error?

Correct your entries in the "Contribution Calculation" block.

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 5D428 - Contribution calculation from share with non-unique assessment basis ?

  The SAP error message 5D428, which states "Contribution calculation from share with non-unique assessment basis," typically occurs in the context of financial accounting or controlling modules, particularly when dealing with contribution margin calculations or profit center accounting. This error indicates that there is an issue with the assessment basis used for calculating contributions, where the system has identified that the basis is not unique.
  Cause:
  
  
  Non-Unique Assessment Basis: The error arises when the system finds multiple entries or records that could be used as the basis for the contribution calculation. This could happen if:
  
  There are multiple profit centers or cost centers with the same characteristics.
  The configuration of the assessment basis is not set up correctly, leading to ambiguity in the calculation.
  
  
  
  Data Inconsistencies: There may be inconsistencies in the master data or transaction data that lead to multiple valid assessment bases being identified.
  
  
  Configuration Issues: Incorrect configuration in the controlling area or profit center accounting settings can also lead to this error.
  
  
  Solution:
  
  
  Review Assessment Basis: Check the configuration of the assessment basis in the relevant controlling area. Ensure that the assessment basis is defined uniquely and that there are no overlapping criteria.
  
  
  Data Cleanup: Investigate the underlying data for duplicates or inconsistencies. This may involve:
  
  Running reports to identify duplicate profit centers or cost centers.
  Ensuring that the master data is clean and that there are no conflicting entries.
  
  
  
  Adjust Configuration: If the assessment basis is not set up correctly, you may need to adjust the configuration settings in the SAP system. This could involve:
  
  Modifying the settings in the controlling area.
  Ensuring that the correct characteristics are assigned to the assessment basis.
  
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on configuring assessment bases and resolving related errors.
  
  
  Testing: After making changes, perform tests to ensure that the contribution calculations are now functioning correctly without generating the error.
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes such as KSU5 (for assessment) or KSV5 (for distribution) to review and adjust the settings.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Support: If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who can provide more tailored assistance based on your specific configuration and data.
  
  By addressing the root cause of the non-unique assessment basis, you should be able to resolve the error and ensure accurate contribution calculations in your SAP system.