Fatal error: Uncaught Error: Function name must be a string in /home/ivendcom/public_html/retail-business-technology-expo/wp-content/themes/enfold/framework/php/class-style-generator.php:123 Stack trace: #0 /home/ivendcom/public_html/retail-business-technology-expo/wp-includes/class-wp-hook.php(288): avia_style_generator->create_styles('') #1 /home/ivendcom/public_html/retail-business-technology-expo/wp-includes/class-wp-hook.php(312): WP_Hook->apply_filters(NULL, Array) #2 /home/ivendcom/public_html/retail-business-technology-expo/wp-includes/plugin.php(478): WP_Hook->do_action(Array) #3 /home/ivendcom/public_html/retail-business-technology-expo/wp-includes/general-template.php(2879): do_action('wp_head') #4 /home/ivendcom/public_html/retail-business-technology-expo/wp-content/themes/enfold/header.php(49): wp_head() #5 /home/ivendcom/public_html/retail-business-technology-expo/wp-includes/template.php(722): require_once('/home/ivendcom/...') #6 /home/ivendcom/public_html/retail-business-technology-expo/wp-includes/templa in /home/ivendcom/public_html/retail-business-technology-expo/wp-content/themes/enfold/framework/php/class-style-generator.php on line 123