VBA Coding in factory talk View se

[anirudhgk7]

Want to create a button for open excel sheet in factory talk View se client.
Create a VBA code below mentioned

Private sub Button3_Released()
Excel.Application.Workbooks.open "E:\clear water discharge.xlsx"
Excel.Application.Visible = True
End sub

But when clicking this button shows
VBA code halted reason Run time error object required
What is the problem and how to fix it.