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I have problems with analysis results that I've mapped with PI Points

Question asked by Rodolfo_vc on Oct 18, 2016
Latest reply on Oct 19, 2016 by Rodolfo_vc

Good afternoon, my doubt  is going to check how one analysis mapped with an attribute can return a value.

I explain my case:


I'm doing analysis in AF, but at the moment that I evaluate each expression of the analysis I've found that some attributes mark errors. p.e. Two or three expressions show "No Data" another expression show "Calc Failed". It happens when I change the date if I want the most recent date these attributes to return values otherwise, if I want to consult 3 months ago, these attributes return the "No Data" and "Calc Failed" legends.


I hope have explained better.