How to get rid of this error in QTP?

[vinod123]

Code:

Set oDesc=Description.Create()
oDesc("title").value="Google"
Set oDesc1=Description.Create()
oDesc1("name").value="q"
Set oDesc2=Description.Create()
oDesc2("html tag").value="Submit"
oDesc2("height").value="30"
oDesc2("index:").value="0"