Fatal error: Uncaught Error: Call to undefined function wp_get_wp_version() in /home/httpd/vhosts/brecherfest.ch/httpdocs/wp-includes/blocks/index.php:30 Stack trace: #0 /home/httpd/vhosts/brecherfest.ch/httpdocs/wp-includes/class-wp-hook.php(324): register_core_block_style_handles('') #1 /home/httpd/vhosts/brecherfest.ch/httpdocs/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #2 /home/httpd/vhosts/brecherfest.ch/httpdocs/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #3 /home/httpd/vhosts/brecherfest.ch/httpdocs/wp-settings.php(700): do_action('init') #4 /home/httpd/vhosts/brecherfest.ch/httpdocs/wp-config.php(97): require_once('/home/httpd/vho...') #5 /home/httpd/vhosts/brecherfest.ch/httpdocs/wp-load.php(50): require_once('/home/httpd/vho...') #6 /home/httpd/vhosts/brecherfest.ch/httpdocs/wp-blog-header.php(13): require_once('/home/httpd/vho...') #7 /home/httpd/vhosts/brecherfest.ch/httpdocs/index.php(17): require('/home/httpd/vho...') #8 {main} thrown in /home/httpd/vhosts/brecherfest.ch/httpdocs/wp-includes/blocks/index.php on line 30