3065107 - Error While changing values in New Hire Record

The Following Error message comes up when trying to modify the values in New Hire Record in Job Information :

???com.successfactors.genericobject.app.exception.ExtCodeInternalIdIntegrityViolationException: [key=EMPLOYEE_HRIS_GO_MULTIPLE_ICS_FOR_SAME_EC]

SAP SuccessFactors HXM Suite

1. Navigate to user's Job Information and on history, try to change a value of a Field on New Hire record.
2. Upon saving, an Error message comes up as indicated above

• This issue comes up due to the presence of an OnSave rule on the customer's Instance. 
• The Rule creates a custom Generic Object for the Employee, it populates the external Code = Job Information.User ID.
• For the given user, this object would already exist, and the rule tries to create another object with the same external code, which is not supported.

• Run a Rule trace to identify which Rule is causing this
• Re-configure the trigger logic of the Business Rule by modifying the If condition etc

SF, EC, Success factors, Employee Central , KBA , LOD-SF-EC-JOB-RUL , Job Info Business Rules , LOD-SF-EC-EMP , Employment Information (Employment Details) , Problem