Try this one.
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Sub MakeBackup()
Dim Home As String
Dim HomePath As String
Dim BackupPath As String
Home = ThisWorkbook.Path
HomePath = Home & "/BOB\_Finalv5a.xlsm"
BackupPath = Home & "/Copies/BOB\_Finalv5a\_backup.xlsm"
On Error GoTo ErrorHandler
'Save this file to the current folder and the new file to a new location
ActiveWorkbook.SaveAs Filename:=BackupPath, FileFormat:=xlOpenXMLWorkbookMacroEnabled
ActiveWorkbook.SaveAs Filename:=HomePath, FileFormat:=xlOpenXMLWorkbookMacroEnabled
ErrorHandler:
MsgBox "Error " & Err.Number & ": " & Err.Description, vbCritical, "Save Error"
End
End Sub