How To Fix 5K002 - Social Insurance Number is not unique

5K002 - Overview

• Message type: E = Error

• Message class: 5K - HR: Messages for Canada

• Message number: 002

• Message text: Social Insurance Number is not unique

What causes this issue?

Each Canadian worker is assigned a unique Social Insurance Number by the
Canada Revenue Agency. When an SIN is entered, the system checks to
ensure that only one employee in the system is assigned that number.

Error message extract from SAP system. Copyright SAP SE.

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• What is the cause and solution for SAP error message 5K002 - Social Insurance Number is not unique ?

  The SAP error message 5K002, which states "Social Insurance Number is not unique," typically occurs in the context of employee master data management within the SAP Human Capital Management (HCM) module. This error indicates that the Social Insurance Number (SIN) being entered for an employee is already associated with another employee record in the system, which violates the uniqueness constraint for this field.
  
  Cause:
  
  Duplicate Entry: The most common cause is that the Social Insurance Number being entered already exists in the database for another employee.
  Data Migration Issues: If data has been migrated from another system, there may be duplicates that were not cleaned up.
  Incorrect Data Entry: Manual entry errors can lead to unintentional duplication of SINs.
  
  
  Solution:
  
  
  Check Existing Records: 
  
  Use transaction codes like PA20 (Display HR Master Data) or PA30 (Maintain HR Master Data) to search for existing employee records with the same Social Insurance Number.
  If you find a duplicate, you may