---- Minecraft Crash Report ----

WARNING: coremods are present:
LoadingPlugin (Quark-beta-22.jar)
Contact their authors BEFORE contacting forge

// My bad.

Time: 07/06/16 15:16
Description: Unexpected error

java.lang.NullPointerException: Unexpected error
at vazkii.quark.world.feature.SlimeBucket.entityInteract(SlimeBucket.java:37)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_25_SlimeBucket_entityInteract_EntityInteract.invoke(.dynamic)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:49)
at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:140)
at net.minecraftforge.common.ForgeHooks.onInteractEntity(ForgeHooks.java:963)
at net.minecraft.entity.player.EntityPlayer.func_184822_a(EntityPlayer.java:1143)
at net.minecraft.client.multiplayer.PlayerControllerMP.func_187097_a(PlayerControllerMP.java:524)
at net.minecraft.client.Minecraft.func_147121_ag(Minecraft.java:1503)
at net.minecraft.client.Minecraft.func_184117_aA(Minecraft.java:2185)
at net.minecraft.client.Minecraft.func_184118_az(Minecraft.java:1958)
at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1746)
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1054)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:369)
at net.minecraft.client.main.Main.main(SourceFile:124)
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:483)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

A detailed walkthrough of the error, its code path and all known details is as follows:

-- Head --
Thread: Client thread
Stacktrace:
at vazkii.quark.world.feature.SlimeBucket.entityInteract(SlimeBucket.java:37)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_25_SlimeBucket_entityInteract_EntityInteract.invoke(.dynamic)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:49)
at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:140)
at net.minecraftforge.common.ForgeHooks.onInteractEntity(ForgeHooks.java:963)
at net.minecraft.entity.player.EntityPlayer.func_184822_a(EntityPlayer.java:1143)
at net.minecraft.client.multiplayer.PlayerControllerMP.func_187097_a(PlayerControllerMP.java:524)
at net.minecraft.client.Minecraft.func_147121_ag(Minecraft.java:1503)
at net.minecraft.client.Minecraft.func_184117_aA(Minecraft.java:2185)
at net.minecraft.client.Minecraft.func_184118_az(Minecraft.java:1958)

-- Affected level --
Details:
Level name: MpServer
All players: 2 total; [EntityPlayerSP['TheRobWatling'/22, l='MpServer', x=-287.15, y=38.00, z=-132.68], EntityOtherPlayerMP['Wiggsy93'/527, l='MpServer', x=-287.76, y=38.00, z=-132.66]]
Chunk stats: MultiplayerChunkCache: 1071, 1071
Level seed: 0
Level generator: ID 04 - customized, ver 0. Features enabled: false
Level generator options:
Level spawn location: World: (-248,64,196), Chunk: (at 8,4,4 in -16,12; contains blocks -256,0,192 to -241,255,207), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
Level time: 236941 game time, 256527 day time
Level dimension: 0
Level storage version: 0x00000 - Unknown?
Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Forced entities: 124 total; [EntityCow['Cow'/7425, l='MpServer', x=-293.83, y=61.00, z=-132.38], EntitySpider['Spider'/18689, l='MpServer', x=-289.50, y=66.00, z=-76.50], EntityCow['Cow'/7172, l='MpServer', x=-290.38, y=61.00, z=-136.59], EntitySkeleton['Skeleton'/18695, l='MpServer', x=-268.79, y=42.00, z=-113.51], EntitySkeleton['Skeleton'/18956, l='MpServer', x=-289.50, y=69.00, z=-98.50], EntityOtherPlayerMP['Wiggsy93'/527, l='MpServer', x=-287.76, y=38.00, z=-132.66], EntityOtherPlayerMP['Wiggsy93'/527, l='MpServer', x=-287.76, y=38.00, z=-132.66], EntityZombie['Zombie'/19225, l='MpServer', x=-255.50, y=70.00, z=-120.50], EntitySheep['Sheep'/285, l='MpServer', x=-223.70, y=79.00, z=-188.54], EntityZombie['Zombie'/11553, l='MpServer', x=-293.98, y=51.00, z=-119.70], EntitySpider['Spider'/19233, l='MpServer', x=-347.50, y=63.00, z=-57.50], EntityZombie['Zombie'/11554, l='MpServer', x=-293.98, y=51.00, z=-119.01], EntitySpider['Spider'/19234, l='MpServer', x=-343.50, y=63.00, z=-57.50], EntityZombie['Zombie'/19490, l='MpServer', x=-363.76, y=64.00, z=-192.55], EntityBat['Bat'/4134, l='MpServer', x=-297.16, y=52.10, z=-118.85], EntitySheep['Sheep'/306, l='MpServer', x=-307.48, y=70.00, z=-203.19], EntitySkeleton['Skeleton'/19254, l='MpServer', x=-305.50, y=66.00, z=-73.50], EntitySpider['Spider'/19520, l='MpServer', x=-240.50, y=63.00, z=-141.50], EntityZombie['Zombie'/19267, l='MpServer', x=-283.70, y=57.00, z=-160.30], EntityBat['Bat'/68, l='MpServer', x=-297.40, y=52.10, z=-118.43], EntityZombie['Zombie'/19268, l='MpServer', x=-280.45, y=57.00, z=-160.90], EntityBat['Bat'/69, l='MpServer', x=-299.35, y=52.10, z=-115.33], EntityZombie['Zombie'/19269, l='MpServer', x=-280.90, y=57.00, z=-161.65], EntityBat['Bat'/70, l='MpServer', x=-297.67, y=52.10, z=-118.28], EntityCow['Cow'/7238, l='MpServer', x=-286.43, y=61.00, z=-139.08], EntityBat['Bat'/72, l='MpServer', x=-309.25, y=52.10, z=-119.25], EntityBat['Bat'/73, l='MpServer', x=-297.78, y=52.10, z=-118.70], EntitySheep['Sheep'/75, l='MpServer', x=-305.54, y=66.00, z=-77.44], EntityBat['Bat'/15438, l='MpServer', x=-272.39, y=49.10, z=-132.43], EntityCreeper['Creeper'/19535, l='MpServer', x=-284.43, y=66.00, z=-77.47], EntityZombie['Zombie'/18769, l='MpServer', x=-278.03, y=61.00, z=-132.88], EntityZombie['Zombie'/18770, l='MpServer', x=-280.00, y=61.00, z=-133.42], EntitySpider['Spider'/18772, l='MpServer', x=-337.99, y=63.00, z=-56.03], EntitySkeleton['Skeleton'/19030, l='MpServer', x=-293.50, y=66.00, z=-75.50], EntitySkeleton['Skeleton'/19542, l='MpServer', x=-292.50, y=63.00, z=-159.50], EntitySheep['Sheep'/87, l='MpServer', x=-280.97, y=61.00, z=-132.49], EntitySheep['Sheep'/88, l='MpServer', x=-282.26, y=61.00, z=-133.64], EntitySkeleton['Skeleton'/19544, l='MpServer', x=-286.78, y=63.00, z=-158.29], EntitySheep['Sheep'/89, l='MpServer', x=-278.98, y=61.00, z=-132.45], EntityChicken['Chicken'/90, l='MpServer', x=-285.47, y=61.00, z=-143.78], EntitySpider['Spider'/19034, l='MpServer', x=-365.50, y=18.00, z=-209.50], EntityChicken['Chicken'/91, l='MpServer', x=-285.19, y=61.00, z=-143.09], EntitySpider['Spider'/19035, l='MpServer', x=-367.50, y=18.00, z=-210.50], EntityChicken['Chicken'/92, l='MpServer', x=-284.64, y=60.63, z=-143.34], EntityChicken['Chicken'/93, l='MpServer', x=-284.20, y=61.00, z=-143.74], EntityCow['Cow'/94, l='MpServer', x=-294.55, y=61.00, z=-133.34], EntityBat['Bat'/95, l='MpServer', x=-279.25, y=57.10, z=-143.75], EntityCow['Cow'/97, l='MpServer', x=-293.51, y=61.00, z=-133.11], EntityCow['Cow'/353, l='MpServer', x=-214.77, y=78.00, z=-188.85], EntityCow['Cow'/98, l='MpServer', x=-288.40, y=61.00, z=-134.66], EntityCow['Cow'/99, l='MpServer', x=-294.55, y=61.00, z=-132.45], EntityCow['Cow'/100, l='MpServer', x=-294.37, y=61.00, z=-134.29], EntityCow['Cow'/101, l='MpServer', x=-287.45, y=61.00, z=-139.14], EntityCow['Cow'/102, l='MpServer', x=-286.55, y=61.00, z=-140.06], EntityZombie['Zombie'/17254, l='MpServer', x=-280.49, y=41.00, z=-174.23], EntityCow['Cow'/103, l='MpServer', x=-287.82, y=61.00, z=-140.51], EntitySheep['Sheep'/7018, l='MpServer', x=-273.85, y=61.00, z=-140.19], EntityBat['Bat'/19310, l='MpServer', x=-243.49, y=30.10, z=-59.25], EntityBat['Bat'/19311, l='MpServer', x=-219.29, y=28.04, z=-62.54], EntityBat['Bat'/19312, l='MpServer', x=-247.35, y=33.10, z=-60.25], EntityBat['Bat'/19313, l='MpServer', x=-243.65, y=34.10, z=-63.01], EntityBat['Bat'/11635, l='MpServer', x=-291.83, y=38.22, z=-131.66], EntitySheep['Sheep'/116, l='MpServer', x=-333.50, y=65.00, z=-113.22], EntityPlayerSP['TheRobWatling'/22, l='MpServer', x=-287.15, y=38.00, z=-132.68], EntitySkeleton['Skeleton'/4472, l='MpServer', x=-275.45, y=43.00, z=-147.75], EntityZombie['Zombie'/19587, l='MpServer', x=-235.50, y=67.00, z=-79.50], EntitySheep['Sheep'/132, l='MpServer', x=-325.74, y=69.00, z=-144.54], EntityZombie['Zombie'/19588, l='MpServer', x=-235.50, y=67.00, z=-81.50], EntitySkeleton['Skeleton'/9605, l='MpServer', x=-310.25, y=51.00, z=-120.50], EntityCreeper['Creeper'/19589, l='MpServer', x=-304.50, y=52.00, z=-119.50], EntitySheep['Sheep'/390, l='MpServer', x=-243.19, y=75.00, z=-204.49], EntityCreeper['Creeper'/18316, l='MpServer', x=-329.50, y=17.00, z=-160.50], EntityCow['Cow'/7309, l='MpServer', x=-286.23, y=61.00, z=-140.78], EntityBat['Bat'/19598, l='MpServer', x=-242.57, y=35.93, z=-203.43], EntitySheep['Sheep'/143, l='MpServer', x=-222.49, y=70.00, z=-97.27], EntitySpider['Spider'/19087, l='MpServer', x=-277.50, y=63.00, z=-191.50], EntityBat['Bat'/19599, l='MpServer', x=-239.03, y=36.46, z=-203.25], EntityBat['Bat'/19600, l='MpServer', x=-239.78, y=35.81, z=-206.62], EntitySkeleton['Skeleton'/18834, l='MpServer', x=-217.50, y=63.00, z=-166.50], EntitySheep['Sheep'/146, l='MpServer', x=-212.11, y=69.00, z=-87.22], EntitySheep['Sheep'/147, l='MpServer', x=-220.46, y=67.47, z=-86.25], EntitySheep['Sheep'/148, l='MpServer', x=-365.27, y=63.00, z=-96.18], EntityZombie['Zombie'/19349, l='MpServer', x=-333.72, y=66.00, z=-139.22], EntityCreeper['Creeper'/19351, l='MpServer', x=-317.47, y=50.00, z=-178.79], EntityCreeper['Creeper'/19607, l='MpServer', x=-253.50, y=29.00, z=-73.50], EntityCreeper['Creeper'/19352, l='MpServer', x=-312.50, y=52.00, z=-178.50], EntityZombie['Zombie'/19608, l='MpServer', x=-245.50, y=18.00, z=-119.50], EntitySheep['Sheep'/156, l='MpServer', x=-298.51, y=70.00, z=-180.77], EntitySheep['Sheep'/157, l='MpServer', x=-302.42, y=70.00, z=-184.17], EntityBat['Bat'/5024, l='MpServer', x=-318.25, y=59.10, z=-133.43], EntitySheep['Sheep'/160, l='MpServer', x=-312.20, y=62.36, z=-189.49], EntitySheep['Sheep'/161, l='MpServer', x=-305.73, y=66.00, z=-185.49], EntitySkeleton['Skeleton'/19106, l='MpServer', x=-281.27, y=69.00, z=-208.54], EntityCreeper['Creeper'/18595, l='MpServer', x=-219.50, y=34.00, z=-211.50], EntityCreeper['Creeper'/19624, l='MpServer', x=-289.50, y=67.00, z=-204.50], EntityCreeper['Creeper'/18348, l='MpServer', x=-265.50, y=64.00, z=-138.50], EntityCreeper['Creeper'/6577, l='MpServer', x=-292.60, y=51.00, z=-115.94], EntityCow['Cow'/7349, l='MpServer', x=-290.30, y=61.00, z=-137.04], EntitySpider['Spider'/19382, l='MpServer', x=-290.27, y=62.34, z=-146.01], EntityCreeper['Creeper'/19383, l='MpServer', x=-233.50, y=40.00, z=-184.50], EntityCreeper['Creeper'/19396, l='MpServer', x=-230.50, y=71.00, z=-188.50], EntityZombie['Zombie'/18896, l='MpServer', x=-280.50, y=68.00, z=-88.50], EntityCreeper['Creeper'/19410, l='MpServer', x=-237.50, y=48.00, z=-91.50], EntityCreeper['Creeper'/19411, l='MpServer', x=-238.50, y=48.00, z=-89.50], EntityCreeper['Creeper'/19412, l='MpServer', x=-237.50, y=48.00, z=-89.50], EntitySpider['Spider'/19413, l='MpServer', x=-238.50, y=48.00, z=-86.50], EntityZombie['Zombie'/19414, l='MpServer', x=-238.50, y=48.00, z=-88.50], EntitySquid['Squid'/19166, l='MpServer', x=-239.80, y=62.01, z=-125.96], EntitySquid['Squid'/19167, l='MpServer', x=-248.77, y=62.55, z=-129.51], EntityBat['Bat'/16096, l='MpServer', x=-267.75, y=44.10, z=-153.25], EntityBat['Bat'/16097, l='MpServer', x=-266.59, y=44.10, z=-152.25], EntityChicken['Chicken'/6629, l='MpServer', x=-284.29, y=61.00, z=-142.95], EntityZombie['Zombie'/15591, l='MpServer', x=-260.45, y=44.00, z=-143.54], EntityChicken['Chicken'/6633, l='MpServer', x=-284.76, y=61.00, z=-143.90], EntityZombie['Zombie'/18927, l='MpServer', x=-264.50, y=47.00, z=-175.50], EntityZombie['Zombie'/18929, l='MpServer', x=-311.80, y=55.00, z=-142.52], EntityZombie['Zombie'/18930, l='MpServer', x=-319.44, y=53.00, z=-149.22], EntityItem['item.tile.stone.diorite'/18676, l='MpServer', x=-295.52, y=45.00, z=-134.88], EntityCreeper['Creeper'/18423, l='MpServer', x=-244.50, y=72.00, z=-202.50], EntityCreeper['Creeper'/17912, l='MpServer', x=-310.45, y=56.00, z=-138.83], EntityCreeper['Creeper'/18424, l='MpServer', x=-247.49, y=76.00, z=-210.19], EntityCreeper['Creeper'/18937, l='MpServer', x=-223.50, y=79.00, z=-175.50], EntityCreeper['Creeper'/18938, l='MpServer', x=-225.50, y=79.00, z=-173.50], EntityZombie['Zombie'/17919, l='MpServer', x=-293.19, y=51.00, z=-115.57]]
Retry entities: 0 total; []
Server brand: fml,forge
Server type: Integrated singleplayer server
Stacktrace:
at net.minecraft.client.multiplayer.WorldClient.func_72914_a(WorldClient.java:490)
at net.minecraft.client.Minecraft.func_71396_d(Minecraft.java:2649)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:398)
at net.minecraft.client.main.Main.main(SourceFile:124)
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:483)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

-- System Details --
Details:
Minecraft Version: 1.9.4
Operating System: Windows 10 (amd64) version 10.0
Java Version: 1.8.0_25, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 562067264 bytes (536 MB) / 1775583232 bytes (1693 MB) up to 3207856128 bytes (3059 MB)
JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx3G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 94
FML: MCP 9.28 Powered by Forge 12.17.0.1939 Optifine OptiFine_1.9.4_HD_U_B5 6 mods loaded, 6 mods active
States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
UCHIJAAAA mcp{9.19} Minecraft Coder Pack
UCHIJAAAA FML{8.0.99.99} Forge Mod Loader
UCHIJAAAA Forge{12.17.0.1939} Minecraft Forge
UCHIJAAAA JEI{3.4.2.206} Just Enough Items
UCHIJAAAA journeymap{1.9.4-5.2.0} JourneyMap
UCHIJAAAA Quark{beta-22} Quark
Loaded coremods (and transformers):
LoadingPlugin (Quark-beta-22.jar)
vazkii.quark.base.asm.ClassTransformer
GL info: ' Vendor: 'NVIDIA Corporation' Version: '4.5.0 NVIDIA 368.22' Renderer: 'GeForce GTX 670/PCIe/SSE2'
Launched Version: 1.9.4-forge1.9.4-12.17.0.1939
LWJGL: 2.9.4
OpenGL: GeForce GTX 670/PCIe/SSE2 GL version 4.5.0 NVIDIA 368.22, NVIDIA Corporation
GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Shaders are available because OpenGL 2.1 is supported.
VBOs are available because OpenGL 1.5 is supported.

Using VBOs: Yes
Is Modded: Definitely; Client brand changed to 'fml,forge'
Type: Client (map_client.txt)
Resource Packs: PureBDcraft  64x MC19.zip
Current Language: English (US)
Profiler Position: N/A (disabled)
CPU: net.minecraft.client.Minecraft$15@6b9b0c27
OptiFine Version: OptiFine_1.9.4_HD_U_B5
Render Distance Chunks: 16
Mipmaps: 4
Anisotropic Filtering: 1
Antialiasing: 0
Multitexture: false
Shaders: null
OpenGlVersion: 4.5.0 NVIDIA 368.22
OpenGlRenderer: GeForce GTX 670/PCIe/SSE2
OpenGlVendor: NVIDIA Corporation
CpuCount: 8

For some odd reason I get this crash whenever I right click another player on SMP. Same exact crashlog.

Same issue, same conditions