Behaviour of approval when the requistion submitter (recruiter) is no longer active

Summary:

We have scenario where one of the Recruiter has left the organization and she had submitted few requisitions for approval before leaving which are currently pending approval . The current approver who is trying to approve or reject receives error - "An error occurred , Contact your helpdesk" .

Content (please ensure you mask any confidential information):

When editing the Hiring team, the recruiter was blank and it was updated to include another active recruiter. The approval seemed to be reinitiated. However the approver was still getting the same error. Also, the current recruiter was not able to withdraw as well. We had to terminate the approval and advised recruiter to submit again. The issue is that some of the approvers in the workflow had already approved the job requistion and they again have to approve which raised concern. I would like to understand if it is normal behaviour that if the submitter