I am developing an approval app in Power Apps - the user selects three approvers from drop-down lists / combo boxes, the approvers' email addresses are then assigned to three variables (VarPortLead, VarComm and VarFinance). When the form is submitted, an email should be sent to the three selected people.
This works fine if each person is unique, but if the same person is selected as approver for multiple categories, I get the following error:

This is my code:

Is there any way to get around this? Thanks