hve wrote:

Furthermore, taking your advice with creating a new report through preferences... I had the same error.

We have checked and doubled-checked the source codes of all the report templates that are in our Templates Gallery, and can confirm that there are no any errors in them.
Fist off, please make sure that you import the report templates mentioned above the following way:
- go to 'Preferences';
- 'Report Templates';
- 'Page Content Reports'(IMPORTANT!);
- click 'Add Blank'
- edit this blank template by replacing its code with the one from the Templates Gallery.
If the issue persists, please send your project for analysis to our Support Team via 'Help' - 'Send Project To Support'.