Hello world!
Fatal error: Uncaught Error: Call to undefined function twentynineteen_post_thumbnail() in /homepages/39/d223502100/htdocs/clickandbuilds/GINSENGROUGE/wp-content/themes/twentynineteen/template-parts/content/content.php:28 Stack trace: #0 /homepages/39/d223502100/htdocs/clickandbuilds/GINSENGROUGE/wp-includes/template.php(724): require() #1 /homepages/39/d223502100/htdocs/clickandbuilds/GINSENGROUGE/wp-includes/template.php(671): load_template('/homepages/39/d...', false) #2 /homepages/39/d223502100/htdocs/clickandbuilds/GINSENGROUGE/wp-includes/general-template.php(168): locate_template(Array, true, false) #3 /homepages/39/d223502100/htdocs/clickandbuilds/GINSENGROUGE/wp-content/themes/twentynineteen/index.php(29): get_template_part('template-parts/...') #4 /homepages/39/d223502100/htdocs/clickandbuilds/GINSENGROUGE/wp-includes/template-loader.php(78): include('/homepages/39/d...') #5 /homepages/39/d223502100/htdocs/clickandbuilds/GINSENGROUGE/wp-blog-header.php(19): require_once('/homepages/39/d...') #6 /homepages/39/d22 in /homepages/39/d223502100/htdocs/clickandbuilds/GINSENGROUGE/wp-content/themes/twentynineteen/template-parts/content/content.php on line 28