Cannot Rehire through Cloud Recruiting, system creates new person number and does not match SSN

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Terminated a test employee in HCM, then applied as that person through cloud recruiting external site. Used the same email, address, and name on application. Created an offer for the candidate in the hiring work area and moved to the HR phase. At this time, the system created the candidate as a pending worker with a new person number. Since Cloud Recruiting does not offer a second pass application and provides no where for the candidate to enter their SSN, i entered the same SSN when i processed the pending worker in the New Worker page. The system did not