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Error when using TagTot in PI AF

EmersonPI

Hello,

I am getting an error when trying to use the function TagTot. From the screenshot attached, when Variable1 is added along with the Expression, the following error is returned after clicking on Evaluate.

Attempt by method 'OSIsoft.AN.PerformanceEquation.Evaluation.PENode.ValidateDataMethod(OSIsoft.AF.Asset.AFAttribute, OSIsoft.AF.Data.AFDataMethods, System.Action`1<OSIsoft.AF.Analysis.AFAnalysisException>)' to access method 'OSIsoft.AF.Asset.AFAttribute.IsSupportedDataMethod(OSIsoft.AF.Data.AFDataMethods)' failed.

This is the first time that I am trying to use the TagTot in a Analyses. Any support on this error message would be greatly appreciated. I've also included a screenshot with the PI AF version.
PI AF TagTot function error.png
.
PI System Explorer version.png
 

Thank you,

Emerson

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    I'd like to add that the versions you're using for AF Server and Client has some serious known bugs to it, so I would really recommend upgrading to a newer version, at least you should see something with 2018 on it.

     

    We were doing an AF refurbish project for a client back in 2018, and beacuse of their IT policy they didn't plan on upgrading from 2015 anytime soon. Eventually, I had to make an ultimatum that we'd not be doing any AF work for this customer unless they upgraded to at least 2016 R2. In 2015, I'd constantly lose data, it happened multiple times that my last 2-3 hours of work just disappeared - even if I had checked my changes in. So please, do yourself a favor and get something newer.

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  • 0

    I'd like to add that the versions you're using for AF Server and Client has some serious known bugs to it, so I would really recommend upgrading to a newer version, at least you should see something with 2018 on it.

     

    We were doing an AF refurbish project for a client back in 2018, and beacuse of their IT policy they didn't plan on upgrading from 2015 anytime soon. Eventually, I had to make an ultimatum that we'd not be doing any AF work for this customer unless they upgraded to at least 2016 R2. In 2015, I'd constantly lose data, it happened multiple times that my last 2-3 hours of work just disappeared - even if I had checked my changes in. So please, do yourself a favor and get something newer.

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