Fatal error: Uncaught TypeError: Argument 1 passed to Automattic\WooCommerce\Utilities\StringUtil::starts_with() must be of the type string, null given, called in /kunden/443629_50858/shop/wordpress/wp-content/plugins/woocommerce/includes/class-wc-session-handler.php on line 330 and defined in /kunden/443629_50858/shop/wordpress/wp-content/plugins/woocommerce/src/Utilities/StringUtil.php:22 Stack trace: #0 /kunden/443629_50858/shop/wordpress/wp-content/plugins/woocommerce/includes/class-wc-session-handler.php(330): Automattic\WooCommerce\Utilities\StringUtil::starts_with(NULL, 'woocommerce') #1 /kunden/443629_50858/shop/wordpress/wp-includes/class-wp-hook.php(303): WC_Session_Handler->maybe_update_nonce_user_logged_out(0, NULL) #2 /kunden/443629_50858/shop/wordpress/wp-includes/plugin.php(189): WP_Hook->apply_filters(0, Array) #3 /kunden/443629_50858/shop/wordpress/wp-includes/pluggable.php(2246): apply_filters('nonce_user_logg...', 0, NULL) #4 /kunden/443629_50858/shop/wordpress/wp-includes/functions.php(1841): wp_create in /kunden/443629_50858/shop/wordpress/wp-content/plugins/woocommerce/src/Utilities/StringUtil.php on line 22