We recently downloaded the 2021.1 version of FME. All previous scripts run on 2020.1 without problems. Now however, I get a warning message "Excel Writer: Failed to refresh Pivot Tables and recalculate formulas. Note this is only possible on Windows with Excel installed" when exporting to an excel with the use of a template. I write my data in 1 tab, and that tab is used to make a pivot table in another tab. Because of this warning, the excels in my dataflow I have stay open and after 20-ish files the memory in my task manager is full, so the translation fails. We did not change the version of Excel, that should not be the problem.
Anyone an idea what could be the problem?