Beep boop, I’m a bot! I dug through the forum to get you started. I sometimes get things wrong though, so do with this what you will until a human has a look.
It sounds like this is the normal delay after installing. An install guide in our knowledge base says the certificate usually takes effect within a few minutes, but it can take longer than an hour. Until then, Live SSL Status and Verify Installation show “Not Found”, and browsers can show a self-signed certificate or NET::ERR_CERT_AUTHORITY_INVALID. It also says it may help to try installing the certificate again.
The same article says Chrome remembers a site’s certificate for a while, so it can take a few hours before it sees the new one.
I couldn’t find anything that says whether the free certificate also covers www.creativefast.fit. To check, look at which hostnames were listed when you requested the certificate in the SSL Certificates section of the client area. Then open https://creativefast.fit and https://www.creativefast.fit separately, in a private window or an SSL checker. If only one of them shows the error, the certificate probably doesn’t cover that hostname.