Corrupting Chunks?

[Arctiblaine]

[03:28:41] [Server thread/ERROR]: Corrupted bigger chunk detected
[03:28:41] [Server thread/CRITICAL]: ErrorException: "zlib_decode(): data error" (EXCEPTION) in "vendor/pocketmine/pocketmine-nbt/src/NBTStream" at line 89
[03:28:41] [Server thread/DEBUG]: #0 (): pocketmine\error_handler(integer 2, string zlib_decode(): data error, string phar://C:/Users/Tinsley/PocketMine-MP-master/PocketMine-MP.phar/vendor/pocketmine/pocketmine-nbt/src/NBTStream.php, integer 89, array Array())
[03:28:41] [Server thread/DEBUG]: #1 vendor/pocketmine/pocketmine-nbt/src/NBTStream(89): zlib_decode(string Z=^.Z`..Ye..Y.n4Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.................................................................Zmd!ZM.;Z=^.Zmd5Ye..Ye..Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.................................................................ZM.;ZL.AYe..Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.................................................................Ye..Ye..Y...Yeg.Yeg.Y.`NYeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.................................................................Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.................................................................Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.................................................................Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.................................................................Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.................................................................Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.................................................................Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.................................................................Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.................................................................................Z"*.Z"*.Z"*.Z"*.Z"*.Z"*.Z"*.....................................................................................................Z"*.Z"*.Z"*.Z"*.Z"*.Z"*.Z"*........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................9.x..].o....R.(+...c+.%lU.6.....:....T.E.M..$.T"X...Z...... ...]F[.^ .:[email protected]....!m(...y..}A...o.y...73..'......o..c.....;B..<.CxX-....;..wsi.)"...n..O.V>i..~.*.r3..G.V>.x=..(.....?.%..kVn..J.2[Q/..G.....?....m...&....x..l.K.o....E.Y..............?...U...7n.P..6|.;..`.e.../...v....sssB.?.9@......=.....Z....E..g....:..>........?I.....9...........g}...>u.y..?..]}.......g...............=......V.......V.......B..?...........kNlm...?..g}.......l...?.......p...~...........{.........k...e.....7..C...KV...|u+......S..:.q...._.......'..Z.J........?..o..[./........I....?.......f.?Y.'\.....i...X.:~..A}.....G....<.A..).._.k...............}..@..(#........g`.I.h.1...1.........=..._$..+...._P.....]...~.....1.+.....m.........l..:......&.O..fI.|.......4 ......0.w....-...SXoA...v[.2..l...[.."[email protected]}...?.....?.....}.R.3..8.....Z....:.l.?.....?...........{.[.r...........[)
[03:28:41] [Server thread/DEBUG]: #2 src/pocketmine/level/format/io/region/McRegion(118): pocketmine\nbt\NBTStream->readCompressed(string Z=^.Z`..Ye..Y.n4Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.................................................................Zmd!ZM.;Z=^.Zmd5Ye..Ye..Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.................................................................ZM.;ZL.AYe..Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.................................................................Ye..Ye..Y...Yeg.Yeg.Y.`NYeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.................................................................Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.................................................................Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.................................................................Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.................................................................Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.................................................................Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.................................................................Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.................................................................Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.................................................................................Z"*.Z"*.Z"*.Z"*.Z"*.Z"*.Z"*.....................................................................................................Z"*.Z"*.Z"*.Z"*.Z"*.Z"*.Z"*........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................9.x..].o....R.(+...c+.%lU.6.....:....T.E.M..$.T"X...Z...... ...]F[.^ .:[email protected]....!m(...y..}A...o.y...73..'......o..c.....;B..<.CxX-....;..wsi.)"...n..O.V>i..~.*.r3..G.V>.x=..(.....?.%..kVn..J.2[Q/..G.....?....m...&....x..l.K.o....E.Y..............?...U...7n.P..6|.;..`.e.../...v....sssB.?.9@......=.....Z....E..g....:..>........?I.....9...........g}...>u.y..?..]}.......g...............=......V.......V.......B..?...........kNlm...?..g}.......l...?.......p...~...........{.........k...e.....7..C...KV...|u+......S..:.q...._.......'..Z.J........?..o..[./........I....?.......f.?Y.'\.....i...X.:~..A}.....G....<.A..).._.k...............}..@..(#........g`.I.h.1...1.........=..._$..+...._P.....]...~.....1.+.....m.........l..:......&.O..fI.|.......4 ......0.w....-...SXoA...v[.2..l...[.."[email protected]}...?.....?.....}.R.3..8.....Z....:.l.?.....?...........{.[.r...........[)
[03:28:41] [Server thread/DEBUG]: #3 src/pocketmine/level/format/io/region/McRegion(368): pocketmine\level\format\io\region\McRegion->nbtDeserialize(string Z=^.Z`..Ye..Y.n4Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.................................................................Zmd!ZM.;Z=^.Zmd5Ye..Ye..Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.................................................................ZM.;ZL.AYe..Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.................................................................Ye..Ye..Y...Yeg.Yeg.Y.`NYeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.................................................................Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.................................................................Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.................................................................Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.................................................................Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.................................................................Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.................................................................Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.................................................................Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.Yeg.................................................................................Z"*.Z"*.Z"*.Z"*.Z"*.Z"*.Z"*.....................................................................................................Z"*.Z"*.Z"*.Z"*.Z"*.Z"*.Z"*........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................9.x..].o....R.(+...c+.%lU.6.....:....T.E.M..$.T"X...Z...... ...]F[.^ .:[email protected]....!m(...y..}A...o.y...73..'......o..c.....;B..<.CxX-....;..wsi.)"...n..O.V>i..~.*.r3..G.V>.x=..(.....?.%..kVn..J.2[Q/..G.....?....m...&....x..l.K.o....E.Y..............?...U...7n.P..6|.;..`.e.../...v....sssB.?.9@......=.....Z....E..g....:..>........?I.....9...........g}...>u.y..?..]}.......g...............=......V.......V.......B..?...........kNlm...?..g}.......l...?.......p...~...........{.........k...e.....7..C...KV...|u+......S..:.q...._.......'..Z.J........?..o..[./........I....?.......f.?Y.'\.....i...X.:~..A}.....G....<.A..).._.k...............}..@..(#........g`.I.h.1...1.........=..._$..+...._P.....]...~.....1.+.....m.........l..:......&.O..fI.|.......4 ......0.w....-...SXoA...v[.2..l...[.."[email protected]}...?.....?.....}.R.3..8.....Z....:.l.?.....?...........{.[.r...........[)
[03:28:41] [Server thread/DEBUG]: #4 src/pocketmine/level/format/io/BaseLevelProvider(118): pocketmine\level\format\io\region\McRegion->readChunk(integer 66, integer 39)
[03:28:41] [Server thread/DEBUG]: #5 src/pocketmine/level/Level(2716): pocketmine\level\format\io\BaseLevelProvider->loadChunk(integer 66, integer 39, boolean )
[03:28:41] [Server thread/DEBUG]: #6 src/pocketmine/level/Level(2363): pocketmine\level\Level->loadChunk(integer 66, integer 39, boolean )
[03:28:41] [Server thread/DEBUG]: #7 src/pocketmine/level/Level(2125): pocketmine\level\Level->getChunk(integer 66, integer 39)
[03:28:41] [Server thread/DEBUG]: #8 src/pocketmine/level/Level(2112): pocketmine\level\Level->getTileAt(integer 1061, integer 27, integer 625)
[03:28:41] [Server thread/DEBUG]: #9 TreasureChest/src/awzaw/treasurechest/RefillTask(19): pocketmine\level\Level->getTile(pocketmine\math\Vector3 object)
[03:28:41] [Server thread/DEBUG]: #10 src/pocketmine/scheduler/TaskHandler(160): awzaw\treasurechest\RefillTask->onRun(integer 36001)
[03:28:41] [Server thread/DEBUG]: #11 src/pocketmine/scheduler/ServerScheduler(326): pocketmine\scheduler\TaskHandler->run(integer 36001)
[03:28:41] [Server thread/DEBUG]: #12 src/pocketmine/Server(2536): pocketmine\scheduler\ServerScheduler->mainThreadHeartbeat(integer 36001)
[03:28:41] [Server thread/DEBUG]: #13 src/pocketmine/Server(2279): pocketmine\Server->tick()
[03:28:41] [Server thread/DEBUG]: #14 src/pocketmine/Server(2154): pocketmine\Server->tickProcessor()
[03:28:41] [Server thread/DEBUG]: #15 src/pocketmine/Server(1742): pocketmine\Server->start()
[03:28:41] [Server thread/DEBUG]: #16 src/pocketmine/PocketMine(551): pocketmine\Server->__construct(BaseClassLoader object, pocketmine\utils\MainLogger object, string C:\Users\Tinsley\PocketMine-MP-master\, string C:\Users\Tinsley\PocketMine-MP-master\plugins\)
[03:28:41] [Server thread/DEBUG]: #17 C:/Users/Tinsley/PocketMine-MP-master/PocketMine-MP.phar(1): require(string phar://C:/Users/Tinsley/PocketMine-MP-master/PocketMine-MP.phar/src/pocketmine/PocketMine.php)

[Awzaw]

Was all that 'yeg.yeg' in the original console output?! I've been busy recently, but this looks like it might be related to recent changes to NBT code; which exact version of Pocketmine are you using, on which platform?

[Arctiblaine]

The console output made me just as surprised...
I am using PMMP build 659.
I'm on Windows 7. (ancient, right?)