You meant to say one more browser window (Order Request) appearing apart from original window (Order Status)?

Answer1

If Order Request window is a popup.

Following code closes the active browser window if it is a popup:

[-] !(if Browser.ComboBox("#1").exists())

[ ] Browser.SetActive()

[ ] Browser.typekeys("")

Answer2

If Order Request window is a Browser window.(not a popup)

You can use the following code to close unwanted Browsers(like Order Request)

Order_Status.SetActive()

Browser.CloseOthers()