All of a sudden I received this message when I was in the admin area of my wordpress site:
Fatal error: Call to undefined function screen_icon() in /home/content/43/10798143/html/wp-content/themes/fastblog/options.php on line 12
I was trying to activate a new theme.
Now the same message appears when I go to my website.
Does anyone know how to fix it? I can't even access the admin area so I don't know what to do.