Pivot doesn't show data

Below is the code I'm using to create a pivot table. Everything works fine, but the finished pivot table only shows the headings. To get it to show the data I have to go to one of the PivotFields and deselect something. Then my table updates. Then I can reselect what I deselected, and all my data is there. I can't understand why. I'd post an example but it's a huge file, so hopefully you'll see something in my code that's wonky. I'd appreciate any help I can get.

Thanks,
John

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It shouldn't be an issue, but I would try adding:

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after the

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line.