Out of Office Tool für Exchange 2010 & 2013

Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, non-static method anchor_utils::filter() 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/plugin.php(205): WP_Hook->apply_filters('

Hallo Leser,...', Array) #1 /customers/f/6/5/asichel.de/httpd.www/wp-includes/formatting.php(3887): apply_filters('the_content', 'Hallo Leser,\r\n\r...') #2 /customers/f/6/5/asichel.de/httpd.www/wp-includes/class-wp-hook.php(308): wp_trim_excerpt('Hallo Leser,\r\n\r...', Object(WP_Post)) #3 /customers/f/6/5/asichel.de/httpd.www/wp-includes/plugin.php(205): WP_Hook->apply_filters('', Array) #4 /customers/f/6/5/asichel.de/httpd.www/wp-includes/post-template.php(431): apply_filters('get_the_excerpt', '', Object(WP_Post)) #5 /customers/f/6/5/asichel.de/httpd.www/wp-includes/embed.php(1008): get_the_excerpt() #6 /customers/f/6/5/asichel.de/httpd.www/wp-includes/theme-compat/embed-content.php(101): the_excerpt_embed() #7 /customers/f/6/5/asichel.de/httpd.www/wp-includes/template.php(785): require('/customers/f/6/...') #8 /customers/f/6/5/asichel.de/httpd.www/wp-includes/template.php(718): load_template('/customers/f/6/...', false, Array) #9 /customers/f/6/5/asichel.de/httpd.www/wp-includes/general-template.php(204): locate_template(Array, true, false, Array) #10 /customers/f/6/5/asichel.de/httpd.www/wp-includes/theme-compat/embed.php(18): get_template_part('embed', 'content') #11 /customers/f/6/5/asichel.de/httpd.www/wp-includes/template-loader.php(106): include('/customers/f/6/...') #12 /customers/f/6/5/asichel.de/httpd.www/wp-blog-header.php(19): require_once('/customers/f/6/...') #13 /customers/f/6/5/asichel.de/httpd.www/index.php(17): require('/customers/f/6/...') #14 {main} thrown in /customers/f/6/5/asichel.de/httpd.www/wp-includes/class-wp-hook.php on line 308