[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/datetime.php on line 174: Declaration of DateTime::-1($modify) should be compatible with DateTime::mysqlnd($hour, $minute, $second = NULL, $microseconds = NULL)

Fatal error: Uncaught Error: Call to undefined method phpbb\datetime::setTimezone() in C:\AppServ\www\phpbb\user.php:604 Stack trace: #0 C:\AppServ\www\includes\functions.php(4299): phpbb\user->format_date(1714810430) #1 C:\AppServ\www\viewforum.php(179): page_header('SIMATIC HMI', true, 4) #2 {main} thrown in C:\AppServ\www\phpbb\user.php on line 604