There has been a critical error on this website. Please check your…

This error randomly happens when I log in, but when I open a new tab for the website, it disappeared. I do not remember what I did, it started last week. What should I do to fix it. I don’t know anything about the website/coding itself,I am a content writer. Please kindly help me!

The page I need help with: [log in to see the link]