Website not appearing correctly on google

I have a swimwear brand and when I google it it says 'No information is available for this page' on google. I pressed 'learn why' and it says the website is blocked by robots.txt.

This has only just happening a few days ago. It seems a lot of my website subpages are now appearing like this - is says no information available for this page.

See screenshots attached of google search results and google console. I really don't understand what has caused this to happen but need it to be fixed urgently.

I would really like this to be fixed urgently. I don't know what has caused it