When i join to my server that crashing and say disconnect from server and turn off. you can see crash at this file: plese help meee
yes this is: Spoiler Code: PocketMine-MP Crash Dump Mon Jul 24 18:30:18 IRDT 2017 Error: Return value of pocketmine\entity\Human::getRawUniqueId() must be of the type string, null returned File: src/pocketmine/entity/Human Line: 103 Type: notice Code: [94] */ [95] public function getUniqueId(){ [96] return $this->uuid; [97] } [98] [99] /** [100] * @return string [101] */ [102] public function getRawUniqueId() : string{ [103] return $this->rawUUID; [104] } [105] [106] /** [107] * @param string $str [108] * @param string $skinId [109] */ [110] public function setSkin($str, $skinId){ [111] if(!Player::isValidSkin($str)){ [112] throw new \InvalidStateException("Specified skin is not valid, must be 8KiB or 16KiB"); [113] } Backtrace: #0 src/pocketmine/Server(2254): pocketmine\entity\Human->getRawUniqueId() #1 src/pocketmine/Player(3489): pocketmine\Server->removeOnlinePlayer(pocketmine\Player object) #2 src/pocketmine/Server(2291): pocketmine\Player->close(string , string Login timeout) #3 src/pocketmine/Server(2459): pocketmine\Server->checkTickUpdates(integer 3611, double 1500904818.3528) #4 src/pocketmine/Server(2221): pocketmine\Server->tick() #5 src/pocketmine/Server(2100): pocketmine\Server->tickProcessor() #6 src/pocketmine/Server(1682): pocketmine\Server->start() #7 src/pocketmine/PocketMine(511): pocketmine\Server->__construct(BaseClassLoader object, pocketmine\utils\MainLogger object, string C:\Users\Administrator\Desktop\PocketMine-MP-master\, string C:\Users\Administrator\Desktop\PocketMine-MP-master\, string C:\Users\Administrator\Desktop\PocketMine-MP-master\plugins\) PocketMine-MP version: 1.6.2dev #0 [Protocol 113; API 3.0.0-ALPHA7] Git commit: 0000000000000000000000000000000000000000 uname -a: Windows NT WIN-F0J19CF5DT8 6.3 build 9600 (Windows Server 2012 R2 Standard Edition) AMD64 PHP Version: 7.0.13 Zend version: 3.0.0 OS : WINNT, win Loaded plugins: ----------------------REPORT THE DATA BELOW THIS LINE----------------------- ===BEGIN CRASH DUMP=== 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