Macro doesn't work on external source based pivot (on internal works correctly). Error 400

Hi, I have macro which perfectly works on Excel 2010 (it filters values based on an external list). I tried the same on a different file on Excel 2013 but I get "400" error.
Sheet and range names are 100% correct. No typo. Another difference is that in a second file I use external pivot source (not internal). Maybe that is the issue not Excel version? Is there any workaround?

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I got "400" error, so I put this:

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and I got:

Unable to get the PivotFields property of the PivotTable class

Is it possible that the root cause is external pivot source (external link to OLAP cube)?