Lay Theme Forum

Hello, looking for help..
My website is showing a critical error message when i try to log in with /wp-admin.
Also the website itself is broken, showing a basic format with no click through.
There might be a plug-in issue, but i'm unable to login to find out - any suggestions?
My other wordpress website with laytheme is working fine.
I spoke to my website hosting service and they couldn't help.
Many thanks for any advice.