Click a pin on the map Mixed Content error

I’m trying to figure out how to show correctly without error. I think this is a problem with SSL, how do you solve it?

I am using the Supreme Directory V2. I replaced all http with https in Better Search Replace.

The following is an error that appeared on Google Chrome.

Mixed Content: The page at ‘https://example.com/search/?geodir_search=1&stype=gd_place&s=+&snear=&sgeo_lat=&sgeo_lon=’ was loaded over HTTPS, but requested an insecure XMLHttpRequest endpoint ‘http://example.com/wp-json/geodir/v2/markers/6140/?_wpnonce=76c29f76db&_=1559382033280’. This request has been blocked; the content must be served over HTTPS.