Fatal error: Uncaught mysqli_sql_exception: Connection refused in /volume1/web/franke-berlin-net-www-v1/wp-includes/wp-db.php:1636
Stack trace:
#0 /volume1/web/franke-berlin-net-www-v1/wp-includes/wp-db.php(1636): mysqli_real_connect(Object(mysqli), '127.0.0.1', 'frankeberlinnet...', Object(SensitiveParameterValue), NULL, '3306', NULL, 0)
#1 /volume1/web/franke-berlin-net-www-v1/wp-includes/wp-db.php(632): wpdb->db_connect()
#2 /volume1/web/franke-berlin-net-www-v1/wp-includes/load.php(425): wpdb->__construct('frankeberlinnet...', 'B68FIOajIW521Wr...', 'frankeberlinnet...', '127.0.0.1:3306')
#3 /volume1/web/franke-berlin-net-www-v1/wp-settings.php(116): require_wp_db()
#4 /volume1/web/franke-berlin-net-www-v1/wp-config.php(116): require_once('/volume1/web/fr...')
#5 /volume1/web/franke-berlin-net-www-v1/wp-load.php(37): require_once('/volume1/web/fr...')
#6 /volume1/web/franke-berlin-net-www-v1/wp-blog-header.php(13): require_once('/volume1/web/fr...')
#7 /volume1/web/franke-berlin-net-www-v1/index.php(17): require('/volume1/web/fr...')
#8 {main}
  thrown in /volume1/web/franke-berlin-net-www-v1/wp-includes/wp-db.php on line 1636

Fatal error: Uncaught Error: Call to undefined function wp_kses_normalize_entities() in /volume1/web/franke-berlin-net-www-v1/wp-includes/formatting.php:4361
Stack trace:
#0 /volume1/web/franke-berlin-net-www-v1/wp-includes/class-wp-fatal-error-handler.php(190): esc_url('https://wordpre...')
#1 /volume1/web/franke-berlin-net-www-v1/wp-includes/class-wp-fatal-error-handler.php(147): WP_Fatal_Error_Handler->display_default_error_template(Array, false)
#2 /volume1/web/franke-berlin-net-www-v1/wp-includes/class-wp-fatal-error-handler.php(52): WP_Fatal_Error_Handler->display_error_template(Array, false)
#3 [internal function]: WP_Fatal_Error_Handler->handle()
#4 {main}
  thrown in /volume1/web/franke-berlin-net-www-v1/wp-includes/formatting.php on line 4361