Fatal error: Uncaught Error: Function name must be a string in /wp-content/themes/marcinbudynek/framework/php/class-style-generator.php:123 Stack trace: #0 /wp-includes/plugin.php(496): avia_style_generator->create_styles('') #1 /wp-includes/general-template.php(2197): do_action('wp_head') #2 /wp-content/themes/marcinbudynek/header.php(47): wp_head() #3 /wp-includes/template.php(501): require_once('/wp-content/the...') #4 /wp-includes/template.php(477): load_template('//wp-content/th...', true) #5 /wp-includes/general-template.php(45): locate_template(Array, true) #6 /wp-content/themes/marcinbudynek/template-builder.php(12): get_header() #7 /wp-content/themes/marcinbudynek/config-templatebuilder/avia-template-builder/php/template-builder.class.php(440): require_once('/wp-content/the...') #8 /wp-includes/plugin.php(496): AviaBuilder->template_redirect('') #9 /wp-includes/template-loader.php(12): do_action('template_redire...') #10 /wp-blog-header.php(16): require_once('/wp-includes/te...') #11 /index.php(17): require('/wp- in /wp-content/themes/marcinbudynek/framework/php/class-style-generator.php on line 123