[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::getOffset() in C:\AppServ\www\viewtopic.php:1327 Stack trace: #0 {main} thrown in C:\AppServ\www\viewtopic.php on line 1327