Select Item activity not working for any of the combo boxes

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1

The application I am trying to automate has lots of combo boxes. The Select Item activity does not work on any of the combo boxes. I tried combination of Click+Type Into. This works only for some combo boxes, not all. Here is the error message I get when I use Select Item on combo box.

18.4.5+Branch.support/v2018.4.Sha.2a53a262e2c1098055c3ecbdabe73d45e0a6dc29

Source: Select Item ‘combo box’ (Select Item ‘combo box’)

Message: Cannot find the UI element corresponding to this selector:

Exception Type: UiPath.Core.SelectorNotFoundException

An ExceptionDetail, likely created by IncludeExceptionDetailInFaults=true, whose value is:
UiPath.Core.SelectorNotFoundException: Cannot find the UI element corresponding to this selector: ----> System.Runtime.InteropServices.COMException: Cannot find the UI element corresponding to this selector:
at UiPath.UiNodeClass.FindFirst(UiFindScope scope, String nodeID)
at UiPath.Core.UiElement.FindFirst(FindScope scope, Selector selector)
— End of inner ExceptionDetail stack trace —
at System.Activities.Statements.Throw.Execute(CodeActivityContext context)
at System.Activities.CodeActivity.InternalExecute(ActivityInstance instance, ActivityExecutor executor, BookmarkManager bookmarkManager)
at System.Activities.ActivityInstance.Execute(ActivityExecutor executor, BookmarkManager bookmarkManager)
at System.Activities.Runtime.ActivityExecutor.ExecuteActivityWorkItem.ExecuteBody(ActivityExecutor executor, BookmarkManager bookmarkManager, Location resultLocation)