Hello Romesh - there's a first, you actually taking some advice from me! Welcome to the forum....
I suspect that message is coming about because you aren't specifying a balance/dimension. The source text context is to do with element(entry)-level balance dimensions. My guess is that if you tried querying the view for, say, a _ASG_TD_YTD dimension you wouldn't get that message. That may or may not help you, in that I'm guessing you'll still need to do something to extract element-level balances. But one step at a time, eh?
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