How To Fix 5A229 - This assignment conflicts with personnel number &

SAP Error Message - Details

• Message type: E = Error

• Message class: 5A - Basis Personnel Management

• Message number: 229

• Message text: This assignment conflicts with personnel number &

What causes this issue?

You are trying to create an organizational assignment for this person
that already exists. The person specified in this message is already
assigned to this organizational unit.
Your system is set so that multiple assignments are not allowed.
Check that you entered the correct organizational assignment.
If necessary, the person currently assigned must first be transferred
before you can assign the organizational unit.

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 5A229 - This assignment conflicts with personnel number & ?

  The SAP error message 5A229, which states "This assignment conflicts with personnel number &," typically occurs in the Human Capital Management (HCM) module when there is an attempt to assign a position or organizational unit to a personnel number that conflicts with existing assignments or data.
  Causes:
  
  Duplicate Assignments: The personnel number may already be assigned to another position or organizational unit that conflicts with the new assignment.
  Incorrect Data Entry: There may be a mistake in the data being entered, such as an incorrect personnel number or position.
  Organizational Structure Issues: The organizational structure may not allow for the new assignment due to hierarchy or other constraints.
  Time Constraints: The assignment may be attempted for a period where the personnel number is not active or is already assigned to another role.
  Authorization Issues: The user may not have the necessary authorizations to make the assignment.
  
  Solutions:
  
  Check Existing Assignments: Review the current assignments for the personnel number in question to identify any conflicts. This can be done using transaction codes like PA20 (Display HR Master Data) or PA30 (Maintain HR Master Data).
  Correct Data Entry: Ensure that the correct personnel number and position are being used. Double-check for typos or incorrect entries.
  Review Organizational Structure: Verify the organizational structure to ensure that the new assignment is valid and does not conflict with existing hierarchies.
  Check Time Periods: Ensure that the assignment is being made for a valid time period when the personnel number is active.
  Consult with HR or IT: If the issue persists, consult with your HR department or IT support team to investigate further. They may have access to additional tools or logs that can help diagnose the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as PA20, PA30, and others related to personnel administration.
  Authorization Checks: Ensure that you have the necessary authorizations to perform the assignment. If not, contact your system administrator.
  SAP Notes: Check the SAP Support Portal for any notes or updates related to this error message, as there may be specific patches or updates that address known issues.
  
  By following these steps, you should be able to identify and resolve the conflict causing the error message 5A229 in SAP.