Fatal error: Uncaught Error: Function name must be a string in /home/customer/www/viltosa.it/public_html/wp-content/themes/enfold/framework/php/class-style-generator.php:123 Stack trace: #0 /home/customer/www/viltosa.it/public_html/wp-includes/class-wp-hook.php(303): avia_style_generator->create_styles('') #1 /home/customer/www/viltosa.it/public_html/wp-includes/class-wp-hook.php(327): WP_Hook->apply_filters(NULL, Array) #2 /home/customer/www/viltosa.it/public_html/wp-includes/plugin.php(470): WP_Hook->do_action(Array) #3 /home/customer/www/viltosa.it/public_html/wp-includes/general-template.php(3015): do_action('wp_head') #4 /home/customer/www/viltosa.it/public_html/wp-content/themes/enfold/header.php(47): wp_head() #5 /home/customer/www/viltosa.it/public_html/wp-includes/template.php(770): require_once('/home/customer/...') #6 /home/customer/www/viltosa.it/public_html/wp-includes/template.php(716): load_template('/home/customer/...', true, Array) #7 /home/customer/www/viltosa.it/public_html/wp-includes/general-template. in /home/customer/www/viltosa.it/public_html/wp-content/themes/enfold/framework/php/class-style-generator.php on line 123