Fatal error: Uncaught Error: Function name must be a string in /homepages/30/d222723348/htdocs/staging4/wp-content/themes/coherence/framework/php/class-style-generator.php:129 Stack trace: #0 /homepages/30/d222723348/htdocs/staging4/wp-includes/class-wp-hook.php(286): avia_style_generator->create_styles('') #1 /homepages/30/d222723348/htdocs/staging4/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array) #2 /homepages/30/d222723348/htdocs/staging4/wp-includes/plugin.php(453): WP_Hook->do_action(Array) #3 /homepages/30/d222723348/htdocs/staging4/wp-includes/general-template.php(2614): do_action('wp_head') #4 /homepages/30/d222723348/htdocs/staging4/wp-content/themes/coherence/header.php(94): wp_head() #5 /homepages/30/d222723348/htdocs/staging4/wp-includes/template.php(688): require_once('/homepages/30/d...') #6 /homepages/30/d222723348/htdocs/staging4/wp-includes/template.php(647): load_template('/homepages/30/d...', true) #7 /homepages/30/d222723348/htdocs/staging4/wp-includes/general-template.php(41): l in /homepages/30/d222723348/htdocs/staging4/wp-content/themes/coherence/framework/php/class-style-generator.php on line 129