(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){ (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o), m=s.getElementsByTagName(o)[0];a.async=1;a.data-privacy-src=g;m.parentNode.insertBefore(a,m) })(window,document,'script','//www.google-analytics.com/analytics.js','ga'); ga('create', 'UA-35598188-1', 'asichel.de'); ga('require', 'linkid', 'linkid.js'); ga('send', 'pageview'); Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, non-static method anchor_utils::ob_start() cannot be called statically in /customers/f/6/5/asichel.de/httpd.www/wp-includes/class-wp-hook.php:308 Stack trace: #0 /customers/f/6/5/asichel.de/httpd.www/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array) #1 /customers/f/6/5/asichel.de/httpd.www/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #2 /customers/f/6/5/asichel.de/httpd.www/wp-includes/general-template.php(3043): do_action('wp_head') #3 /customers/f/6/5/asichel.de/httpd.www/wp-content/themes/Avada/header.php(21): wp_head() #4 /customers/f/6/5/asichel.de/httpd.www/wp-includes/template.php(783): require_once('/customers/f/6/...') #5 /customers/f/6/5/asichel.de/httpd.www/wp-includes/template.php(718): load_template('/customers/f/6/...', true, Array) #6 /customers/f/6/5/asichel.de/httpd.www/wp-includes/general-template.php(48): locate_template(Array, true, true, Array) #7 /customers/f/6/5/asichel.de/httpd.www/wp-content/themes/Avada/page.php(14): get_header() #8 /customers/f/6/5/asichel.de/httpd.www/wp-includes/template-loader.php(106): include('/customers/f/6/...') #9 /customers/f/6/5/asichel.de/httpd.www/wp-blog-header.php(19): require_once('/customers/f/6/...') #10 /customers/f/6/5/asichel.de/httpd.www/index.php(17): require('/customers/f/6/...') #11 {main} thrown in /customers/f/6/5/asichel.de/httpd.www/wp-includes/class-wp-hook.php on line 308