TT-Platten-Rückbau-im Donaupark ?

Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, false given in /var/www/clients/client1023/web130/web/wp-includes/formatting.php:3507 Stack trace: #0 /var/www/clients/client1023/web130/web/wp-includes/class-wp-hook.php(324): convert_smilies('\n<p class="has-...') #1 /var/www/clients/client1023/web130/web/wp-includes/plugin.php(205): WP_Hook->apply_filters('\n<p class="has-...', Array) #2 /var/www/clients/client1023/web130/web/wp-includes/post-template.php(256): apply_filters('the_content', '<!-- wp:paragra...') #3 /var/www/clients/client1023/web130/web/wp-content/themes/twentyseventeen/template-parts/post/content.php(54): the_content('<span class="sc...') #4 /var/www/clients/client1023/web130/web/wp-includes/template.php(792): require('/var/www/client...') #5 /var/www/clients/client1023/web130/web/wp-includes/template.php(725): load_template('/var/www/client...', false, Array) #6 /var/www/clients/client1023/web130/web/wp-includes/general-template.php(206): locate_template(Array, true, false, Array) #7 /var/www/clients/client1023/web130/web/wp-content/themes/twentyseventeen/single.php(24): get_template_part('template-parts/...', '') #8 /var/www/clients/client1023/web130/web/wp-includes/template-loader.php(113): include('/var/www/client...') #9 /var/www/clients/client1023/web130/web/wp-blog-header.php(19): require_once('/var/www/client...') #10 /var/www/clients/client1023/web130/web/index.php(17): require('/var/www/client...') #11 {main} thrown in /var/www/clients/client1023/web130/web/wp-includes/formatting.php on line 3507