Game Crash when have a demon soul armor with jetpack upgrade

[bergerem]

Current Behavior

When i try to open the inventory or to jump, i get kicked and after that the game crashed immediately.
I can't play anymore.

Steps to Reproduce

1. Make Demon Armor
2. Upgrade it with a diamond jetpack
3. Equip it
4. Try to do anything
5. Crash

Log

lost connection: Internal Exception: io.netty.channel.unix.Errors$NativeIoException: syscall:read(..) failed: Connection reset by peer

AND:

`-- Head --
Thread: Client thread
Stacktrace:
at landmaster.plustic.modifiers.armor.JetpackPancakeHippos.lambda$null$1(JetpackPancakeHippos.java:135)
at landmaster.plustic.modifiers.armor.JetpackPancakeHippos$$Lambda$8412/1852093531.accept(Unknown Source)
at java.util.HashMap.forEach(HashMap.java:1280)
at landmaster.plustic.modifiers.armor.JetpackPancakeHippos.lambda$onKeyInput$2(JetpackPancakeHippos.java:134)
at landmaster.plustic.modifiers.armor.JetpackPancakeHippos$$Lambda$8411/1062971040.accept(Unknown Source)
at java.util.Optional.ifPresent(Optional.java:159)
at landmaster.plustic.modifiers.armor.JetpackPancakeHippos.onKeyInput(JetpackPancakeHippos.java:133)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_3340_JetpackPancakeHippos_onKeyInput_KeyInputEvent.invoke(.dynamic)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90)
at com.github.terminatornl.laggoggles.tickcentral.EventBusTransformer.redirectEvent(EventBusTransformer.java:67)
at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:182)
at net.minecraftforge.fml.common.FMLCommonHandler.fireKeyInput(FMLCommonHandler.java:565)
at net.minecraft.client.Minecraft.func_184118_az(Minecraft.java:2017)

-- Affected level --
Details:
Level name: MpServer
All players: 1 total; [EntityPlayerSP['Supersebe'/7933689, l='MpServer', x=377.63, y=69.00, z=-611.45]]
Chunk stats: MultiplayerChunkCache: 625, 625
Level seed: 0
Level generator: ID 00 - default, ver 1. Features enabled: false
Level generator options:
Level spawn location: World: (23,66,-427), Chunk: (at 7,4,5 in 1,-27; contains blocks 16,0,-432 to 31,255,-417), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1)
Level time: 6650774 game time, 9139670 day time
Level dimension: 0
Level storage version: 0x00000 - Unknown?
Level weather: Rain time: 0 (now: true), thunder time: 0 (now: false)
Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Forced entities: 78 total; [EntitySlime['Slime'/7934073, l='MpServer', x=382.09, y=28.00, z=-566.61], EntityBat['Bat'/7934072, l='MpServer', x=367.25, y=20.12, z=-564.14], EntitySkeleton['Skeleton'/7934075, l='MpServer', x=389.50, y=28.00, z=-573.50], EntityZombie['Zombie'/7934074, l='MpServer', x=387.36, y=28.00, z=-570.40], EntityZombie['Zombie'/7934077, l='MpServer', x=396.50, y=16.00, z=-545.50], EntityMinecartChest['Minecart with Chest'/7934076, l='MpServer', x=372.50, y=16.06, z=-547.50], EntityZombieVillager['Zombie Villager'/7934078, l='MpServer', x=396.48, y=16.00, z=-546.43], EntitySkeleton['Skeleton'/7934064, l='MpServer', x=386.34, y=36.00, z=-543.50], EntityZombie['Zombie'/7934071, l='MpServer', x=382.05, y=28.00, z=-571.95], EntityZombie['Zombie'/7934070, l='MpServer', x=372.75, y=28.00, z=-569.49], EntityShootingStar['Shooting Star'/7934185, l='MpServer', x=343.72, y=517.34, z=-522.92], EntityZombie['Zombie'/7933930, l='MpServer', x=409.50, y=13.00, z=-656.50], EntityChicken['Chicken'/7934060, l='MpServer', x=375.80, y=73.00, z=-663.80], EntityWorm['Worm'/6226503, l='MpServer', x=378.50, y=68.50, z=-621.50], EntityItemFrame['entity.ItemFrame.name'/7933921, l='MpServer', x=320.03, y=72.50, z=-770.50], EntityBat['Bat'/7934049, l='MpServer', x=353.86, y=27.10, z=-544.63], EntityWorm['Worm'/6230725, l='MpServer', x=380.50, y=68.50, z=-625.50], EntityWorm['Worm'/6230724, l='MpServer', x=378.50, y=68.50, z=-625.50], EntityBat['Bat'/7934050, l='MpServer', x=349.06, y=26.10, z=-564.47], EntityZombie['Zombie'/7933913, l='MpServer', x=330.50, y=54.00, z=-597.50], EntityCreeper['Creeper'/7934041, l='MpServer', x=356.50, y=23.00, z=-563.50], EntityWorm['Worm'/6162047, l='MpServer', x=384.50, y=68.50, z=-621.50], EntitySkeleton['Skeleton'/7933912, l='MpServer', x=320.50, y=47.00, z=-600.50], EntitySkeleton['Skeleton'/7933915, l='MpServer', x=323.50, y=35.00, z=-585.50], EntityBat['Bat'/7934043, l='MpServer', x=371.48, y=18.58, z=-561.24], EntitySkeleton['Skeleton'/7933914, l='MpServer', x=323.20, y=34.00, z=-579.81], EntityBat['Bat'/7934042, l='MpServer', x=367.12, y=18.10, z=-556.49], EntityBat['Bat'/7933917, l='MpServer', x=325.27, y=22.10, z=-547.84], EntityCreeper['Creeper'/7934045, l='MpServer', x=362.50, y=26.00, z=-536.50], EntitySkeleton['Skeleton'/7933916, l='MpServer', x=326.50, y=34.00, z=-574.71], EntitySkeleton['Skeleton'/7934044, l='MpServer', x=357.50, y=52.00, z=-559.50], EntityCreeper['Creeper'/7934047, l='MpServer', x=357.50, y=26.00, z=-533.50], EntityChicken['Chicken'/7933918, l='MpServer', x=310.81, y=70.00, z=-657.50], EntityCreeper['Creeper'/7934046, l='MpServer', x=360.50, y=26.00, z=-535.50], EntitySheep['Sheep'/7933905, l='MpServer', x=321.75, y=67.00, z=-539.45], EntityBat['Bat'/7933904, l='MpServer', x=394.04, y=30.34, z=-583.63], EntityBrainyZombie['Angry Zombie'/7933911, l='MpServer', x=323.50, y=34.00, z=-616.50], EntitySpider['Spider'/7933903, l='MpServer', x=386.50, y=23.00, z=-577.50], EntityZombie['Zombie'/7934017, l='MpServer', x=424.23, y=70.00, z=-618.61], EntityCreeper['Creeper'/7934016, l='MpServer', x=320.50, y=47.00, z=-598.50], EntityWorm['Worm'/6164837, l='MpServer', x=378.50, y=68.50, z=-623.50], EntityPig['Pig'/7933755, l='MpServer', x=430.28, y=70.00, z=-582.46], EntityWorm['Worm'/6163869, l='MpServer', x=381.50, y=68.50, z=-623.50], EntitySheep['Sheep'/7934001, l='MpServer', x=359.74, y=74.00, z=-664.50], EntityZombie['Zombie'/7934000, l='MpServer', x=360.27, y=22.00, z=-673.22], EntityWorm['Worm'/6231444, l='MpServer', x=383.50, y=68.50, z=-627.50], EntitySheep['Sheep'/7934120, l='MpServer', x=447.18, y=76.00, z=-680.84], EntityZombie['Zombie'/7933995, l='MpServer', x=337.50, y=38.00, z=-582.50], EntityCreeper['Creeper'/7933994, l='MpServer', x=337.50, y=38.00, z=-585.50], EntityCreeper['Creeper'/7933997, l='MpServer', x=340.50, y=40.00, z=-582.50], EntitySkeleton['Skeleton'/7933996, l='MpServer', x=345.50, y=42.00, z=-582.50], EntityHellSprout['Hell Sprout'/7933998, l='MpServer', x=339.27, y=62.22, z=-565.08], EntityCreeper['Creeper'/7934113, l='MpServer', x=445.50, y=32.00, z=-624.44], EntitySheep['Sheep'/7933856, l='MpServer', x=314.50, y=66.00, z=-670.73], EntityCreeper['Creeper'/7934112, l='MpServer', x=444.50, y=32.00, z=-624.50], EntitySkeleton['Skeleton'/7934115, l='MpServer', x=437.73, y=34.00, z=-596.53], EntitySheep['Sheep'/7934114, l='MpServer', x=455.68, y=71.00, z=-620.80], EntityZombie['Zombie'/7934116, l='MpServer', x=447.50, y=35.00, z=-597.50], EntityWorm['Worm'/6164030, l='MpServer', x=381.50, y=68.50, z=-621.50], EntitySpider['Spider'/7934105, l='MpServer', x=426.50, y=32.00, z=-537.50], EntityZombie['Zombie'/7934104, l='MpServer', x=430.50, y=32.00, z=-539.50], EntityBat['Bat'/7933850, l='MpServer', x=302.38, y=43.09, z=-586.49], EntitySheep['Sheep'/7934111, l='MpServer', x=441.76, y=72.00, z=-646.22], EntityChicken['Chicken'/7933841, l='MpServer', x=311.93, y=64.00, z=-661.50], EntityPlayerSP['Supersebe'/7933689, l='MpServer', x=377.63, y=69.00, z=-611.45], EntityLatchedRenderer['unknown'/490, l='MpServer', x=8.50, y=65.00, z=8.50], EntityItem['item.item.egg'/7933842, l='MpServer', x=319.82, y=71.00, z=-658.91], EntityMinecartChest['Minecart with Chest'/7934101, l='MpServer', x=444.50, y=17.06, z=-587.50], EntityZombie['Zombie'/7933844, l='MpServer', x=312.50, y=64.00, z=-662.71], EntityZombie['Zombie'/7933847, l='MpServer', x=316.50, y=30.00, z=-626.50], EntityCreeper['Creeper'/7934103, l='MpServer', x=416.50, y=19.00, z=-543.50], EntityMinecartChest['Minecart with Chest'/7934102, l='MpServer', x=428.50, y=15.06, z=-536.49], EntityWorm['Worm'/6165421, l='MpServer', x=382.50, y=68.50, z=-625.50], EntityWorm['Worm'/6163117, l='MpServer', x=384.50, y=68.50, z=-623.50], EntityChicken['Chicken'/7934090, l='MpServer', x=424.61, y=75.00, z=-685.88], EntityCreeper['Creeper'/7934092, l='MpServer', x=454.20, y=15.00, z=-540.52], EntityCreeper['Creeper'/7934087, l='MpServer', x=409.70, y=16.00, z=-534.70], EntityCreeper['Creeper'/7934086, l='MpServer', x=408.50, y=16.00, z=-537.50]]
Retry entities: 1 total; [EntityLatchedRenderer['unknown'/490, l='MpServer', x=8.50, y=65.00, z=8.50]]
Server brand: fml,forge
Server type: Non-integrated multiplayer server
Stacktrace:
at net.minecraft.client.multiplayer.WorldClient.func_72914_a(WorldClient.java:420)
at net.minecraft.client.Minecraft.func_71396_d(Minecraft.java:2741)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:427)
at net.minecraft.client.main.Main.main(SourceFile:123)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)`