Same Email address Error for Next gen supplier registration process

Summary:

In our organization, we have supplier Registration team who can also create the Registration request on behalf of suppliers.

Now, as we have additional security step to enter the email address to get the access code who is creating the Request in next gen Supplier Registration, the next generation Process is not allowing the same email address to be used for multiple requests.
On creating another request for another supplier using same email address, getting the error message

"Registration request with the same email already exists"

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