URL cann't redirect

[PanupongDeve]

Describe the bug/error

What happened?
This link http://opennetwork.life.church/volunteer, It cann't redirect http to https
A clear and concise description of what the bug is

To Reproduce

How did you get to that error/ bug?

Steps to reproduce the behavior:

1. Go to '...'
   copy this link http://opennetwork.life.church/volunteer and past in browser.

Screenshots
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Desktop (please complete the following information):

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Additional context
Add any other context about the problem here.

[chrismjohnston]

Has someone tried making a redirect in the .htaccess folder?

RewriteEngine On 
RewriteCond %{HTTPS} off 
RewriteRule ^(.*)$ https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]