Fatal error: Uncaught Error: Call to undefined function block_core_navigation_render_submenu_icon() in /var/www/vhosts/h205233.web34.alfahosting-server.de/html/web3/wp-content/plugins/gutenberg/build/scripts/block-library/navigation-submenu.php:243 Stack trace: #0 /var/www/vhosts/h205233.web34.alfahosting-server.de/html/web3/wp-includes/class-wp-block.php(596): gutenberg_render_block_core_navigation_submenu(Array, '\n<li class="wp-...', Object(WP_Block)) #1 /var/www/vhosts/h205233.web34.alfahosting-server.de/html/web3/wp-content/plugins/gutenberg/build/scripts/block-library/navigation.php(190): WP_Block->render() #2 /var/www/vhosts/h205233.web34.alfahosting-server.de/html/web3/wp-content/plugins/gutenberg/build/scripts/block-library/navigation.php(242): WP_Navigation_Block_Renderer_Gutenberg::get_markup_for_inner_block(Object(WP_Block)) #3 /var/www/vhosts/h205233.web34.alfahosting-server.de/html/web3/wp-content/plugins/gutenberg/build/scripts/block-library/navigation.php(918): WP_Navigation_Block_Renderer_Gutenberg::get_inner_blocks_html(Array, Object(WP_Block_List)) #4 /var/www/vhosts/h205233.web34.alfahosting-server.de/html/web3/wp-content/plugins/gutenberg/build/scripts/block-library/navigation.php(1001): WP_Navigation_Block_Renderer_Gutenberg::get_inner_block_markup(Array, Object(WP_Block_List)) #5 /var/www/vhosts/h205233.web34.alfahosting-server.de/html/web3/wp-content/plugins/gutenberg/build/scripts/block-library/navigation.php(1496): WP_Navigation_Block_Renderer_Gutenberg::render(Array, '', Object(WP_Block)) #6 /var/www/vhosts/h205233.web34.alfahosting-server.de/html/web3/wp-includes/class-wp-block.php(596): gutenberg_render_block_core_navigation(Array, '', Object(WP_Block)) #7 /var/www/vhosts/h205233.web34.alfahosting-server.de/html/web3/wp-includes/class-wp-block.php(576): WP_Block->render() #8 /var/www/vhosts/h205233.web34.alfahosting-server.de/html/web3/wp-includes/class-wp-block.php(576): WP_Block->render() #9 /var/www/vhosts/h205233.web34.alfahosting-server.de/html/web3/wp-includes/class-wp-block.php(576): WP_Block->render() #10 /var/www/vhosts/h205233.web34.alfahosting-server.de/html/web3/wp-includes/class-wp-block.php(576): WP_Block->render() #11 /var/www/vhosts/h205233.web34.alfahosting-server.de/html/web3/wp-includes/class-wp-block.php(576): WP_Block->render() #12 /var/www/vhosts/h205233.web34.alfahosting-server.de/html/web3/wp-includes/class-wp-block.php(576): WP_Block->render() #13 /var/www/vhosts/h205233.web34.alfahosting-server.de/html/web3/wp-includes/class-wp-block.php(576): WP_Block->render() #14 /var/www/vhosts/h205233.web34.alfahosting-server.de/html/web3/wp-content/plugins/gutenberg/build/scripts/block-library/block.php(112): WP_Block->render(Array) #15 /var/www/vhosts/h205233.web34.alfahosting-server.de/html/web3/wp-includes/class-wp-block.php(596): gutenberg_render_block_core_block(Array, '<!-- wp:group {...', Object(WP_Block)) #16 /var/www/vhosts/h205233.web34.alfahosting-server.de/html/web3/wp-includes/class-wp-block.php(576): WP_Block->render() #17 /var/www/vhosts/h205233.web34.alfahosting-server.de/html/web3/wp-includes/blocks.php(2438): WP_Block->render() #18 /var/www/vhosts/h205233.web34.alfahosting-server.de/html/web3/wp-includes/blocks.php(2521): render_block(Array) #19 /var/www/vhosts/h205233.web34.alfahosting-server.de/html/web3/wp-includes/block-template.php(291): do_blocks('<!-- wp:group {...') #20 /var/www/vhosts/h205233.web34.alfahosting-server.de/html/web3/wp-includes/template-canvas.php(12): get_the_block_template_html() #21 /var/www/vhosts/h205233.web34.alfahosting-server.de/html/web3/wp-includes/template-loader.php(132): include('/var/www/vhosts...') #22 /var/www/vhosts/h205233.web34.alfahosting-server.de/html/web3/wp-blog-header.php(19): require_once('/var/www/vhosts...') #23 /var/www/vhosts/h205233.web34.alfahosting-server.de/html/web3/index.php(17): require('/var/www/vhosts...') #24 {main} thrown in /var/www/vhosts/h205233.web34.alfahosting-server.de/html/web3/wp-content/plugins/gutenberg/build/scripts/block-library/navigation-submenu.php on line 243