Fatal error: Uncaught Error: Call to undefined function add_theme_support() in /mnt/web019/d1/96/56854196/htdocs/WordPress_06/wp-includes/block-patterns.php:9 Stack trace: #0 /mnt/web019/d1/96/56854196/htdocs/WordPress_06/wp-settings.php(366): require() #1 /mnt/web019/d1/96/56854196/htdocs/WordPress_06/wp-config.php(89): require_once('/mnt/web019/d1/...') #2 /mnt/web019/d1/96/56854196/htdocs/WordPress_06/wp-load.php(50): require_once('/mnt/web019/d1/...') #3 /mnt/web019/d1/96/56854196/htdocs/WordPress_06/wp-blog-header.php(13): require_once('/mnt/web019/d1/...') #4 /mnt/web019/d1/96/56854196/htdocs/WordPress_06/index.php(17): require('/mnt/web019/d1/...') #5 {main} thrown in /mnt/web019/d1/96/56854196/htdocs/WordPress_06/wp-includes/block-patterns.php on line 9