Fatal error: Uncaught ArgumentCountError: Too few arguments to function WC_Template_Loader::unsupported_theme_title_filter(), 1 passed in /home/.sites/875/site6289805/web/wp-includes/class-wp-hook.php on line 307 and exactly 2 expected in /home/.sites/875/site6289805/web/wp-content/plugins/woocommerce/includes/class-wc-template-loader.php:509 Stack trace: #0 /home/.sites/875/site6289805/web/wp-includes/class-wp-hook.php(307): WC_Template_Loader::unsupported_theme_title_filter('DSC_4207-ubs_ki...') #1 /home/.sites/875/site6289805/web/wp-includes/plugin.php(191): WP_Hook->apply_filters('DSC_4207-ubs_ki...', Array) #2 /home/.sites/875/site6289805/web/wp-content/themes/wp-marischka/post.php(48): apply_filters('the_title', 'DSC_4207-ubs_ki...') #3 /home/.sites/875/site6289805/web/wp-includes/template.php(772): require('/home/.sites/87...') #4 /home/.sites/875/site6289805/web/wp-includes/template.php(716): load_template('/home/.sites/87...', false, Array) #5 /home/.sites/875/site6289805/web/wp-includes/general-template.php(204) in /home/.sites/875/site6289805/web/wp-content/plugins/woocommerce/includes/class-wc-template-loader.php on line 509