WordPress-Datenbank-Fehler: [Duplicate entry 'wc_installing' for key 'option_name']
INSERT INTO wp_options (option_name, option_value, autoload) VALUES ('wc_installing', 1776371290, 'no')

Warning: Cannot modify header information - headers already sent by (output started at /var/www/html/wp-includes/class-wpdb.php:1857) in /var/www/html/wp-includes/pluggable.php on line 1531 Warning: Cannot modify header information - headers already sent by (output started at /var/www/html/wp-includes/class-wpdb.php:1857) in /var/www/html/wp-includes/pluggable.php on line 1534