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Are you using the Shortcode method to display the results?

If so, follow this guide to customizing (or did you already?):

https://searchandfilter.com/documentation/search-results/using-a-shortcode/#customising-the-results

See this code line:

Page <?php echo $query->query['paged']; ?> of <?php echo $query->max_num_pages; ?><br />

Replace that with:

  <?php if ($query->max_num_pages > 1 } ?>
	Page <?php echo $query->query['paged']; ?> of <?php echo $query->max_num_pages; ?><br />
  <?php } ?>

I think that would work.

Thanks for letting me know. I will close this thread for now.