How To Fix 3G399 - Acc.assignment object replaced by current master cost center for employee

SAP Error Message - Details

• Message type: E = Error

• Message class: 3G - Payroll: International

• Message number: 399

• Message text: Acc.assignment object replaced by current master cost center for employee

What causes this issue?

The account assignment object check identified that this object is not
valid for cost accounting and cannot be posted. For this reason, it has
been posted to the employee's master cost center.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 3G399 - Acc.assignment object replaced by current master cost center for employee ?

  The SAP error message 3G399 indicates that the assignment object for a cost center has been replaced by the current master cost center for an employee. This typically occurs in the context of personnel cost planning or when processing payroll data, where the system expects a specific cost center assignment for an employee but finds that it has been updated or changed.
  Cause:
  
  Cost Center Changes: The employee's cost center assignment may have been changed in the master data, leading to a mismatch with the data being processed.
  Data Consistency Issues: There may be inconsistencies between the employee's master data and the cost center assignments in the planning or payroll data.
  Configuration Issues: The system configuration may not be set up to handle changes in cost center assignments correctly.
  
  Solution:
  
  
  Check Master Data: Verify the employee's master data in the SAP system to ensure that the cost center assignment is correct and up to date.
  
  Use transaction codes like PA20 (Display HR Master Data) to check the employee's details.
  
  
  
  Review Cost Center Assignments: Look at the cost center assignments in the relevant planning or payroll documents to ensure they align with the master data.
  
  Use transaction codes like KP26 (Change Plan Data) to review cost center planning data.
  
  
  
  Update Planning Data: If the cost center has changed, update the planning data to reflect the current cost center assignment.
  
  Ensure that any changes are properly reflected in the relevant planning or payroll documents.
  
  
  
  Consult Configuration: If the issue persists, consult with your SAP configuration team to ensure that the system is set up correctly to handle cost center assignments and changes.
  
  
  Check for Authorizations: Ensure that you have the necessary authorizations to view and modify the relevant data.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as PA30 (Maintain HR Master Data), KP06 (Change Plan Data), and S_ALR_87013611 (Cost Center Report).
  Documentation: Review SAP documentation or help files related to personnel cost planning and cost center accounting for more detailed guidance.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  
  If the problem continues after following these steps, it may be beneficial to reach out to your SAP support team or consult with an SAP expert for further assistance.