Mixed Content: The page at ‘https://www.wallentoronto.com/’ was loaded over HTTPS, but requested an insecure script ‘http://maps.googleapis.com/maps/api/js?key=AIzaSyA6M45oe9V8IfJfUB6x4k0FKhmEf58nJAs&ver=1.0.0’. This request has been blocked; the content must be served over HTTPS.
Please let me know how to fix it
Sorry to hear of the problem you are having.
I visited your site and saw you are not using Jevelin theme on your site.
This forum is only for supporting jevelin theme and supporting other theme is beyond the scope of support that we provide here. Please see https://themeforest.net/item/jevelin-multipurpose-premium-responsive-wordpress-theme/14728833/support