Fatal error: Uncaught Error: Function name must be a string in /home/f1karting/ftp/kartcrg/wp-content/themes/crg/framework/php/class-style-generator.php:123 Stack trace: #0 /home/f1karting/ftp/kartcrg/wp-includes/class-wp-hook.php(298): avia_style_generator->create_styles('') #1 /home/f1karting/ftp/kartcrg/wp-includes/class-wp-hook.php(323): WP_Hook->apply_filters(NULL, Array) #2 /home/f1karting/ftp/kartcrg/wp-includes/plugin.php(453): WP_Hook->do_action(Array) #3 /home/f1karting/ftp/kartcrg/wp-includes/general-template.php(2589): do_action('wp_head') #4 /home/f1karting/ftp/kartcrg/wp-content/themes/crg/header.php(47): wp_head() #5 /home/f1karting/ftp/kartcrg/wp-includes/template.php(688): require_once('/home/f1karting...') #6 /home/f1karting/ftp/kartcrg/wp-includes/template.php(647): load_template('/home/f1karting...', true) #7 /home/f1karting/ftp/kartcrg/wp-includes/general-template.php(45): locate_template(Array, true) #8 /home/f1karting/ftp/kartcrg/wp-content/themes/crg/template-builder.php(12): get_header() #9 /home/ in /home/f1karting/ftp/kartcrg/wp-content/themes/crg/framework/php/class-style-generator.php on line 123