Im having exactly the same problem after importing a demo template (any of them) Got the messages:
Warning: include(/WWW/www/autoinstalator/wordpress/wp-content/uploads/avia_fonts/Flaticon/charmap.php): failed to open stream: No such file or directory in /WWW/www/autoinstalator/wordpress/wp-content/themes/enfold/config-templatebuilder/avia-template-builder/php/font-manager.class.php on line 488
Warning: include(): Failed opening ‘/WWW/www/autoinstalator/wordpress/wp-content/uploads/avia_fonts/Flaticon/charmap.php’ for inclusion (include_path=’.:/:/usr/local/php/pear5′) in /WWW/www/autoinstalator/wordpress/wp-content/themes/enfold/config-templatebuilder/avia-template-builder/php/font-manager.class.php on line 488