Blank screen when I try to login on my wordpress site

Hi

I don’t know what happened to my site. When I use https://leisurehotels.co.za/wp-admin . I get a blank screen. However if i use https://leisurehotels.co.za/wp-login.php it gives me the form for login in. When I enter my details. I still get a blank screen when i press enter.

I renamed all my plugin. this ddnt work.

Please help.

Thanks