It's important to remember that the unique identifier (i.e. Tax Identification Number, SSN) must have dashes in the correct location "Identification #" on the Tax Information tab within the Miscellaneous Payee setup.
Please do not update a Miscellaneous Payee from your Inbox, instead use the find and edit functionality. Read the Find and Edit a Miscellaneous Payment Payee - UNIV and OSUP job aid within the Administrative Resource Center for more details.