Solved ErrorException: "unpack(): Type N: not enough input, need 4, have 0" (EXCEPTION) in "src/pocketmine/

i need help please
i use PMMP stable 1642 and 30 plugins
https://jenkins.pmmp.io/job/PocketMine-MP/1642/artifact/PocketMine-MP.phar

what is the problem
thanks
sorry for my bad english

Code:

2018-11-24 [10:43:17] [Server thread/CRITICAL]: An error occurred while loading chunk x=913 z=887: unpack(): Type N: not enough input, need 4, have 0
2018-11-24 [10:43:17] [Server thread/CRITICAL]: ErrorException: "unpack(): Type N: not enough input, need 4, have 0" (EXCEPTION) in "src/pocketmine/level/format/io/region/RegionLoader" at line 114
2018-11-24 [10:43:17] [Server thread/DEBUG]: #0 (): pocketmine\utils\Utils::errorExceptionHandler(integer 2, string unpack(): Type N: not enough input, need 4, have 0, string phar:///home/myserver/PocketMine-MP.phar/src/pocketmine/level/format/io/region/RegionLoader.php, integer 114, array Array())
2018-11-24 [10:43:17] [Server thread/DEBUG]: #1 src/pocketmine/level/format/io/region/RegionLoader(114): unpack(string N, string )
2018-11-24 [10:43:17] [Server thread/DEBUG]: #2 src/pocketmine/level/format/io/region/McRegion(358): pocketmine\level\format\io\region\RegionLoader->readChunk(integer 17, integer 23)
2018-11-24 [10:43:17] [Server thread/DEBUG]: #3 src/pocketmine/level/format/io/BaseLevelProvider(156): pocketmine\level\format\io\region\McRegion->readChunk(integer 913, integer 887)
2018-11-24 [10:43:17] [Server thread/DEBUG]: #4 src/pocketmine/level/Level(2646): pocketmine\level\format\io\BaseLevelProvider->loadChunk(integer 913, integer 887)
2018-11-24 [10:43:17] [Server thread/DEBUG]: #5 src/pocketmine/level/Level(2275): pocketmine\level\Level->loadChunk(integer 913, integer 887, boolean )
2018-11-24 [10:43:17] [Server thread/DEBUG]: #6 src/pocketmine/level/Level(2352): pocketmine\level\Level->getChunk(integer 913, integer 887, boolean )
2018-11-24 [10:43:17] [Server thread/DEBUG]: #7 src/pocketmine/level/Level(2329): pocketmine\level\Level->setChunk(integer 913, integer 887, pocketmine\level\format\Chunk object, boolean )
2018-11-24 [10:43:17] [Server thread/DEBUG]: #8 src/pocketmine/level/generator/PopulationTask(154): pocketmine\level\Level->generateChunkCallback(integer 913, integer 887, pocketmine\level\format\Chunk object)
2018-11-24 [10:43:17] [Server thread/DEBUG]: #9 src/pocketmine/scheduler/AsyncPool(306): pocketmine\level\generator\PopulationTask->onCompletion(pocketmine\Server object)
2018-11-24 [10:43:17] [Server thread/DEBUG]: #10 src/pocketmine/Server(2516): pocketmine\scheduler\AsyncPool->collectTasks()
2018-11-24 [10:43:17] [Server thread/DEBUG]: #11 src/pocketmine/Server(2265): pocketmine\Server->tick()
2018-11-24 [10:43:17] [Server thread/DEBUG]: #12 src/pocketmine/Server(2135): pocketmine\Server->tickProcessor()
2018-11-24 [10:43:17] [Server thread/DEBUG]: #13 src/pocketmine/Server(1701): pocketmine\Server->start()
2018-11-24 [10:43:17] [Server thread/DEBUG]: #14 src/pocketmine/PocketMine(249): pocketmine\Server->__construct(BaseClassLoader object, pocketmine\utils\MainLogger object, string /home/myserver/, string /home/myserver/plugins/)

 

This looks like a world issue. If you made a backup of level.dat replace it

 

@Destroyer57
thanks
i replace a backup of level.dat and it seem to work