Fatal error: Uncaught Error: Call to undefined function add_theme_support() in /home/wmichal67/public_html/lekcjatest-1v-mw/wp-includes/block-patterns.php:9
Stack trace:
#0 {main}
thrown in /home/wmichal67/public_html/lekcjatest-1v-mw/wp-includes/block-patterns.php on line 9