Recruiter hired candidate on incorrect requisition. How should this be corrected?

Summary:

A candidate was hired by recruiter for an incorrect requisition. They now want to correct this. The candidate is currently in Pending worker state. Do we need to cancel the Workrelationship before withdrwaing the candidate application from this requisition or should we start with : Move to manual processing

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Version (include the version you are using, if applicable): 22 C

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