Using FollowHyperlink not working

Question

Have this code on a command button on a form. The field PDFName is also on the form. The filepath comes up OK. However, the line "Application.followhyperlink filepath,1,0" gives an error: RunTime Error 490; Cannot open the specified file." PLEASE HELP!!!!

Dim filepath As String

filepath = "C:\Users\nevadamax\OneDrive\Documents\PMPlus" & Me.PDFName

MsgBox filepath

Application.FollowHyperlink filepath, 1, 0

Answer 1

Set a breakpoint and in the Immediate window:
?filepath

Then copy that string and paste it into the Run box (WindowKey + R). What happens?

Answer 2

Set a breakpoint, then in the Immediate window:
?filepath

Copy that text and put it in the Run box (WindowKey+R). What happens?