Warning: Constant DATE_RFC7231 already defined in /usr/home/hubertim/domains/cwko.pl/public/includes/bootstrap.inc on line 258

Fatal error: During inheritance of PDO: Uncaught ArgumentCountError: Too few arguments to function _drupal_error_handler(), 4 passed in /usr/home/hubertim/domains/cwko.pl/public/includes/bootstrap.inc on line 2475 and exactly 5 expected in /usr/home/hubertim/domains/cwko.pl/public/includes/bootstrap.inc:2329
Stack trace:
#0 /usr/home/hubertim/domains/cwko.pl/public/includes/bootstrap.inc(2475): _drupal_error_handler(8192, 'Return type of ...', '/usr/home/huber...', 1294)
#1 /usr/home/hubertim/domains/cwko.pl/public/includes/bootstrap.inc(2475): require_once()
#2 /usr/home/hubertim/domains/cwko.pl/public/includes/bootstrap.inc(2256): _drupal_bootstrap_database()
#3 /usr/home/hubertim/domains/cwko.pl/public/includes/bootstrap.inc(2394): drupal_bootstrap(3, false)
#4 /usr/home/hubertim/domains/cwko.pl/public/includes/bootstrap.inc(2252): _drupal_bootstrap_page_cache()
#5 /usr/home/hubertim/domains/cwko.pl/public/index.php(38): drupal_bootstrap(7)
#6 {main} in /usr/home/hubertim/domains/cwko.pl/public/includes/database/database.inc on line 187