Fatal error: Uncaught Error: Function name must be a string in /homepages/13/d544643533/htdocs/wp-content/themes/enfold/framework/php/class-style-generator.php:123 Stack trace: #0 /homepages/13/d544643533/htdocs/wp-includes/plugin.php(496): avia_style_generator->create_styles('') #1 /homepages/13/d544643533/htdocs/wp-includes/general-template.php(2197): do_action('wp_head') #2 /homepages/13/d544643533/htdocs/wp-content/themes/enfold/header.php(49): wp_head() #3 /homepages/13/d544643533/htdocs/wp-includes/template.php(501): require_once('/homepages/13/d...') #4 /homepages/13/d544643533/htdocs/wp-includes/template.php(477): load_template('/homepages/13/d...', true) #5 /homepages/13/d544643533/htdocs/wp-includes/general-template.php(45): locate_template(Array, true) #6 /homepages/13/d544643533/htdocs/wp-content/themes/enfold/single.php(7): get_header() #7 /homepages/13/d544643533/htdocs/wp-includes/template-loader.php(74): include('/homepages/13/d...') #8 /homepages/13/d544643533/htdocs/wp-blog-header.php(16): require_once(' in /homepages/13/d544643533/htdocs/wp-content/themes/enfold/framework/php/class-style-generator.php on line 123

Warning: Parameter 1 to W3_Plugin_TotalCache::ob_callback() expected to be a reference, value given in /homepages/13/d544643533/htdocs/wp-includes/functions.php on line 3314