Unable to merge the candidate when already added as contact person/beneficiary

Summary:

We have situation where after one of candidates accepted the job offer, we got a process error when tried to move to the HR phase. Once we checked issue noticed that the candidate is already added as a contact person and also beneficiary in benefit management since her father works in the company.

Content (required):

How to solve this processing error and create a pending work relationship?

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Code Snippet (add any code snippets that support your topic, if applicable):