I changed my nameserver from Cloudflare to Hostinger, and my website down immediate

After I change the nameserver got from Cloudflare and paste it to hostinger, my website down immediately, can anyone assist me on this problem? or it really just have to wait 24 hours to check back again?

my website is www.sicuroglass.com

Can anyone help me on this?

Welcome to the Cloudflare Community. :logodrop:

Your use of the insecure Flexible encryption is causing an infinite redirect at your webserver. Set your encryption mode to Full (strict).