Hi everyone
I'm getting a few errors when trying to Patch a user's name back to SharePoint. The Patch is getting tripped up only on the user-selector fields (3 fields, same error). I'm using a Combo Box in PowerApps (as always). What's odd is that it's the same routine I've used for these types of fields time-and-time again - same Combo Box, settings, and Patch code. I just can't figure out why it's throwing an error this time!

The Patch starts with Patch(SPList,Defaults(SPList), then goes into the fields.
{RequestorName:
{'@odata.type': "#Mircrosoft.Azure.Connectors.SharePoint.SPListExpandedUser",
Claims: cmb_RequestedBy_newuser.Selected.Mail,
Department: "",
DisplayName: cmb_RequestedBy_newuser.Selected.DisplayName,
Email: cmb_RequestedBy_newuser.Selected.Mail,
JobTitle: "",
Picture: ""}
},Here's the field in my SharePoint list:
