1. Add this line to the wp-config.php file: define( ‘ALLOW_UNFILTERED_UPLOADS’, true );
2. Upload all files formats
3. Remove this line from wp-config.php file
As soon as you upload the font files, delete this line.
Sorry to say but we didn’t get this. Exactly how do you have the Critical Error on your Site? Please elaborate further. Also, please share your Site WP-ADMIN Login details in the private content too so that we can check further in this regard.