Accidently Deactivate the Cloudflare plugin in wordpress now site not loading

I was deactivating the unused plugin but i had configured Cloudflare and Cloudflare-flexible-ssl unfortunately accidently the plugin get deactivate. Now i open the site to activate them its shows This page isn’t working redirected you too many times. Try clearing your cookies. ERR_TOO_MANY_REDIRECTS

How could i fix and reactivate those plugin.

This isn’t a Cloudflare issue. In some cases, the DNS server will go back up, but sometimes it’ll just ‘hang’. What you need to do is to call your hosting provider and and ask them to ‘reset’ the DNS. Once up, let the DNS propagate and fix your issues with the plugins. Once fixed and stabilized, flush DNS and connect back to Cloudflare.

Hope it helps.