Fatal error: Uncaught Error: Call to undefined function register_block_style() in /home/amstret/domains/villamikolajki.pl/public_html/wp-content/themes/sydney/inc/block-styles.php:9 Stack trace: #0 /home/amstret/domains/villamikolajki.pl/public_html/wp-includes/class-wp-hook.php(286): sydney_block_styles('') #1 /home/amstret/domains/villamikolajki.pl/public_html/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array) #2 /home/amstret/domains/villamikolajki.pl/public_html/wp-includes/plugin.php(453): WP_Hook->do_action(Array) #3 /home/amstret/domains/villamikolajki.pl/public_html/wp-settings.php(450): do_action('init') #4 /home/amstret/domains/villamikolajki.pl/public_html/wp-config.php(101): require_once('/home/amstret/d...') #5 /home/amstret/domains/villamikolajki.pl/public_html/wp-load.php(37): require_once('/home/amstret/d...') #6 /home/amstret/domains/villamikolajki.pl/public_html/wp-blog-header.php(13): require_once('/home/amstret/d...') #7 /home/amstret/domains/villamikolajki.pl/public_html/index.php in /home/amstret/domains/villamikolajki.pl/public_html/wp-content/themes/sydney/inc/block-styles.php on line 9