Crash on start

[ghost]

`
PocketMine-Steadfast Crash Dump Sun Sep 3 08:32:55 UTC 2017

Error: Return value of pocketmine\nbt\NBT::getLong() must be of the type integer, string returned
File: /src/pocketmine/nbt/NBT
Line: 315
Type: notice

Code:
[306] }else{
[307] $this->buffer .= $this->endianness === self::BIG_ENDIAN ? Binary::writeInt($v) : Binary::writeLInt($v);
[308] }
[309] }
[310]
[311] public function getLong(bool $network = false) : int{
[312] if($network){
[313] return Binary::readVarLong($this->buffer, $this->offset);
[314] }
[315] return $this->endianness === self::BIG_ENDIAN ? Binary::readLong($this->get(8)) : Binary::readLLong($this->get(8));
[316] }
[317]
[318] public function putLong($v, bool $network = false){
[319] if($network){
[320] $this->buffer .= Binary::writeVarLong($v);
[321] }else{
[322] $this->buffer .= $this->endianness === self::BIG_ENDIAN ? Binary::writeLong($v) : Binary::writeLLong($v);
[323] }
[324] }
[325]

Backtrace:
#0 /src/pocketmine/nbt/NBT(258): pocketmine\nbt\tag\LongTag->read(pocketmine\nbt\NBT object, boolean )
#1 /src/pocketmine/nbt/tag/Compound(112): pocketmine\nbt\NBT->readTag(boolean )
#2 /src/pocketmine/nbt/NBT(258): pocketmine\nbt\tag\Compound->read(pocketmine\nbt\NBT object, boolean )
#3 /src/pocketmine/nbt/tag/Compound(112): pocketmine\nbt\NBT->readTag(boolean )
#4 /src/pocketmine/nbt/NBT(258): pocketmine\nbt\tag\Compound->read(pocketmine\nbt\NBT object, boolean )
#5 /src/pocketmine/nbt/NBT(203): pocketmine\nbt\NBT->readTag(boolean )
#6 /src/pocketmine/nbt/NBT(214): pocketmine\nbt\NBT->read(string ......Data...hardcore....initialized....GameType.......generatorVersion.......SpawnX...>...SpawnY.......SpawnZ.......version..J....DayTime.......LastPlayed...]..BQ...RandomSeed...........SizeOnDisk...........Time......qE...generatorName..flat...generatorOptions.....LevelName..Lobbys...GameRules...)
#7 /src/pocketmine/level/format/generic/BaseLevelProvider(48): pocketmine\nbt\NBT->readCompressed(string ..........M.AN.0.E....AHp!.(U%.Qh*.H]L.....lS...i.q0.E.f..<.y.....L...b{."C..z.-9..-..9u..z.T..G..).x.1........7.#..1......................5..R.t4.Z.......%.6t...O.l.m.+.....'A....~=/....Q6...}....Lk....M......t....c..7..0.*...)
#8 /src/pocketmine/level/Level(306): pocketmine\level\format\generic\BaseLevelProvider->__construct(pocketmine\level\Level object, string /storage/emulated/legacy/G/worlds/world/)
#9 /src/pocketmine/Server(1089): pocketmine\level\Level->__construct(pocketmine\Server object, string world, string /storage/emulated/legacy/G/worlds/world/, string pocketmine\level\format\anvil\Anvil)
#10 /src/pocketmine/Server(1681): pocketmine\Server->loadLevel(string world)
#11 /src/pocketmine/PocketMine(459): pocketmine\Server->__construct(pocketmine\CompatibleClassLoader object, pocketmine\utils\MainLogger object, string /storage/emulated/legacy/G/, string /storage/emulated/legacy/G/, string /storage/emulated/legacy/G/plugins/)

PocketMine-MP version: 1.5.1 #0 [Protocol 101; API 1.12.0]
Git commit: 0000000000000000000000000000000000000000
uname -a: Linux localhost 3.10.49-g1ae94df #1 SMP PREEMPT Tue Oct 18 20:01:12 IST 2016 armv7l
PHP Version: 7.0.3
Zend version: 3.0.0
OS : Linux, android

Loaded plugins:
DevTools 1.12.1 by PocketMine Team for API(s) 2.0.0, 3.0.0-ALPHA1, 3.0.0-ALPHA2, 3.0.0-ALPHA3, 3.0.0-ALPHA4, 3.0.0-ALPHA5, 3.0.0-ALPHA6
TnTLauncher 1 by for API(s) 3.0.0, 3.0.0-ALPHA1, 3.0.0-ALPHA2, 3.0.0-ALPHA3, 3.0.0-ALPHA6, 3.0.0-ALPHA7

----------------------REPORT THE DATA BELOW THIS LINE-----------------------

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===END CRASH DUMP===
`

commit: ebf67eb

[JackNoordhuis]

I cannot reproduce this issue on any of our servers, due to it not affecting our servers I will not be spending any more time looking into the issue.

If you can provide steps to reproduce this I will get it fixed.