HTTPS not showing some post?

[apkals.com]

Hello Sir,
Recently I face my site properly not working https. Recently I transfer (Bluehost to Siteground) host, after transfer hosting & face this problem. I share some link, please check (Home Page or Post Link)

Home Page - https://apkals.com (https working)
Some Post - https://apkals.com/paytm-bcapp (https not working)
Admin Dashboard - (https not working)

[domjh]

Community Tip - Fixing mixed content errors

Error Try the suggestions in this Community Tip to help you fix mixed content errors. Background Did you notice the green padlock missing from your browser when connecting over HTTPS? That is likely a mixed content issue. Mixed content errors mean that your website is being loaded over HTTPS, but some of the resources are being loaded over HTTP. In this case, the site will show as not secure. Quick Fix Ideas To fix this, you will need to edit your source code and change all resour…