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(94): 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(22): require('/mnt/web019/d1/...')
#5 {main}
  thrown in /mnt/web019/d1/96/56854196/htdocs/WordPress_06/wp-includes/block-patterns.php on line 9