If you want to use Finsweet v1 Load functionality, you would also need to use the attributes mentioned in that documentation for pagination.
I can see that currently you are using Finsweet v2 Load attributes while having the custom script of Finsweet v1 load version.
You can uncomment the Load script and change the custom attributes as per v1.
For example, the highlighted element’s custom attribute currently is fs-list-load="pagination" whereas it should be fs-cmsload-element="list" instead as per the v1 docs.
I am not familiar with the specific CMS you are working with, finsweet, but I can offer a general suggestion.
It is possible that the issue lies with the version of PageNation you are using, or perhaps there is an incompatibility between PageNation and finsweet. However, the duplicate reference finweet src link could also be a problem. I would recommend checking the documentation for finsweet to see if there are any specific requirements or restrictions for implementing PageNation.
Try removing the duplicate reference to finweet src link and see if that resolves the issue. If not, I would suggest checking the version of PageNation you are using to see if it is compatible with finsweet. If you are still having trouble, you may need to