Unable to renew SSL- Warning

My domain is: https://cyprusfriendly.com

My hosting provider, if applicable, is: Heliohost

Hello, i’m trying to renew my let’s encrypt ssl but i am getting this message

Warning: Your verification URL is not returning the correct contents to our verification servers. The URL looks like it is blocking bots and which inadvertently blocks our servers from receiving the correct content. Contact your host, a professional developer or admin for further help with fixing it.

Any suggestions?

There is another thread in the forum but the suggested solutions didn’t work
Thanks in advance

I suggest following the advice of the message.