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So the game and mod itself both start up and run fine. But, when I click on a villager to interact with them, the game crashes. If anyone could help me figure out the problem, I'd really appreciate it. Here's the crash log:

---- Minecraft Crash Report ----

WARNING: coremods are present:
Contact their authors BEFORE contacting forge

// I'm sorry, Dave.

Time: 6/20/16 1:22 PM
Description: Unexpected error

java.lang.NullPointerException: Unexpected error
at mca.core.MCA.getPlayerData(MCA.java:710)
at mca.client.gui.GuiInteraction.<init>(GuiInteraction.java:91)
at mca.packets.PacketOpenGUIOnEntity.processOnGameThread(PacketOpenGUIOnEntity.java:70)
at radixcore.network.AbstractPacketHandler.processPackets(AbstractPacketHandler.java:164)
at mca.core.forge.EventHooksFML.clientTickEventHandler(EventHooksFML.java:127)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_30_EventHooksFML_clientTickEventHandler_ClientTickEvent.invoke(.dynamic)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:55)
at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:140)
at net.minecraftforge.fml.common.FMLCommonHandler.onPreClientTick(FMLCommonHandler.java:331)
at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1624)
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1024)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:349)
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 --
Stacktrace:
at mca.core.MCA.getPlayerData(MCA.java:710)
at mca.client.gui.GuiInteraction.<init>(GuiInteraction.java:91)
at mca.packets.PacketOpenGUIOnEntity.processOnGameThread(PacketOpenGUIOnEntity.java:70)
at radixcore.network.AbstractPacketHandler.processPackets(AbstractPacketHandler.java:164)
at mca.core.forge.EventHooksFML.clientTickEventHandler(EventHooksFML.java:127)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_30_EventHooksFML_clientTickEventHandler_ClientTickEvent.invoke(.dynamic)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:55)
at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:140)
at net.minecraftforge.fml.common.FMLCommonHandler.onPreClientTick(FMLCommonHandler.java:331)

-- Affected level --
Details:
Level name: MpServer
All players: 1 total; [EntityPlayerSP['TheLovelyLillie'/349, l='MpServer', x=-184.70, y=73.00, z=227.42]]
Chunk stats: MultiplayerChunkCache: 289, 289
Level seed: 0
Level generator: ID 00 - default, ver 1. Features enabled: false
Level generator options:
Level spawn location: -128.00,64.00,256.00 - World: (-128,64,256), Chunk: (at 0,4,0 in -8,16; contains blocks -128,0,256 to -113,255,271), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
Level time: 331151 game time, 331151 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: creative (ID 1). Hardcore: false. Cheats: false
Forced entities: 67 total; [EntityChicken['Chicken'/129, l='MpServer', x=-233.53, y=68.00, z=305.56], EntityChicken['Chicken'/130, l='MpServer', x=-234.28, y=68.00, z=306.44], EntitySheep['Sheep'/142, l='MpServer', x=-210.23, y=69.00, z=230.35], EntityBat['Bat'/143, l='MpServer', x=-212.51, y=52.20, z=269.46], EntityCreeper['Creeper'/144, l='MpServer', x=-223.50, y=68.00, z=263.50], EntityEnderman['Enderman'/145, l='MpServer', x=-216.38, y=62.00, z=283.13], EntityZombie['Zombie'/153, l='MpServer', x=-198.16, y=72.00, z=172.72], EntityChicken['Chicken'/154, l='MpServer', x=-201.41, y=67.00, z=194.44], EntityItemFrame['entity.ItemFrame.name'/155, l='MpServer', x=-204.03, y=70.50, z=249.50], EntityPainting['Painting'/156, l='MpServer', x=-201.50, y=70.50, z=253.97], EntityPainting['Painting'/157, l='MpServer', x=-202.50, y=70.50, z=253.97], EntityPainting['Painting'/158, l='MpServer', x=-202.50, y=71.50, z=253.97], EntityPainting['Painting'/159, l='MpServer', x=-201.50, y=71.50, z=253.97], EntityZombie['Zombie'/160, l='MpServer', x=-199.50, y=68.00, z=292.50], EntityItem['item.item.egg'/170, l='MpServer', x=-187.88, y=68.00, z=196.06], EntityHuman['Brad'/171, l='MpServer', x=-183.56, y=73.56, z=227.09], EntityCreeper['Creeper'/172, l='MpServer', x=-179.97, y=67.00, z=274.53], EntityZombie['Zombie'/173, l='MpServer', x=-184.88, y=68.00, z=297.34], EntityChicken['Chicken'/182, l='MpServer', x=-164.41, y=80.00, z=193.59], EntitySpider['Spider'/183, l='MpServer', x=-171.00, y=67.00, z=274.47], EntitySpider['Spider'/184, l='MpServer', x=-159.59, y=66.00, z=280.72], EntityWitch['Witch'/185, l='MpServer', x=-153.75, y=67.00, z=282.75], EntityZombie['Zombie'/186, l='MpServer', x=-156.28, y=67.00, z=292.53], EntityCreeper['Creeper'/194, l='MpServer', x=-159.50, y=84.00, z=162.50], EntitySheep['Sheep'/195, l='MpServer', x=-159.28, y=79.00, z=196.88], EntitySheep['Sheep'/196, l='MpServer', x=-148.50, y=77.00, z=194.53], EntitySheep['Sheep'/197, l='MpServer', x=-154.34, y=75.00, z=216.53], EntityBat['Bat'/69, l='MpServer', x=-264.90, y=28.20, z=191.85], EntityChicken['Chicken'/198, l='MpServer', x=-150.44, y=72.00, z=226.69], EntityItem['item.item.egg'/199, l='MpServer', x=-146.25, y=72.00, z=234.06], EntityChicken['Chicken'/200, l='MpServer', x=-145.59, y=61.00, z=261.59], EntityItem['item.item.egg'/201, l='MpServer', x=-146.19, y=61.00, z=261.13], EntityChicken['Chicken'/202, l='MpServer', x=-155.22, y=66.68, z=278.53], EntityChicken['Chicken'/203, l='MpServer', x=-157.78, y=66.63, z=277.81], EntityItem['item.item.egg'/204, l='MpServer', x=-154.63, y=66.00, z=277.78], EntitySkeleton['Skeleton'/205, l='MpServer', x=-150.50, y=50.00, z=288.50], EntityChicken['Chicken'/206, l='MpServer', x=-145.63, y=68.00, z=281.69], EntityItem['item.item.egg'/207, l='MpServer', x=-151.91, y=67.00, z=290.13], EntityChicken['Chicken'/213, l='MpServer', x=-139.38, y=83.00, z=216.53], EntitySkeleton['Skeleton'/86, l='MpServer', x=-256.91, y=17.00, z=199.59], EntityZombie['Zombie'/215, l='MpServer', x=-143.16, y=68.00, z=271.75], EntityChicken['Chicken'/216, l='MpServer', x=-129.63, y=68.00, z=271.59], EntityChicken['Chicken'/88, l='MpServer', x=-251.63, y=71.00, z=238.47], EntityItem['item.item.egg'/217, l='MpServer', x=-134.50, y=66.00, z=282.72], EntityChicken['Chicken'/90, l='MpServer', x=-258.94, y=67.00, z=256.69], EntitySpider['Spider'/92, l='MpServer', x=-266.06, y=67.00, z=253.69], EntityEnderman['Enderman'/228, l='MpServer', x=-122.75, y=35.00, z=166.31], EntitySquid['Squid'/230, l='MpServer', x=-125.63, y=62.13, z=192.50], EntityZombie['Zombie'/231, l='MpServer', x=-124.50, y=68.00, z=203.50], EntityEnderman['Enderman'/103, l='MpServer', x=-248.78, y=19.00, z=168.31], EntityChicken['Chicken'/232, l='MpServer', x=-119.38, y=69.00, z=246.66], EntityChicken['Chicken'/104, l='MpServer', x=-253.34, y=78.00, z=230.50], EntityChicken['Chicken'/234, l='MpServer', x=-112.66, y=64.00, z=266.41], EntityCreeper['Creeper'/106, l='MpServer', x=-252.03, y=55.00, z=292.41], EntityCreeper['Creeper'/236, l='MpServer', x=-129.09, y=29.00, z=279.75], EntityCreeper['Creeper'/369, l='MpServer', x=-220.19, y=68.00, z=295.88], EntityPlayerSP['TheLovelyLillie'/349, l='MpServer', x=-184.70, y=73.00, z=227.42], EntityZombie['Zombie'/245, l='MpServer', x=-105.81, y=67.00, z=236.75], EntityPainting['Painting'/156, l='MpServer', x=-201.50, y=70.50, z=253.97], EntityPainting['Painting'/157, l='MpServer', x=-202.50, y=70.50, z=253.97], EntityPainting['Painting'/158, l='MpServer', x=-202.50, y=71.50, z=253.97], EntityCreeper['Creeper'/123, l='MpServer', x=-231.63, y=26.00, z=156.97], EntityPainting['Painting'/159, l='MpServer', x=-201.50, y=71.50, z=253.97], EntityBat['Bat'/124, l='MpServer', x=-228.94, y=52.03, z=150.92], EntityZombie['Zombie'/125, l='MpServer', x=-226.94, y=13.00, z=260.47], EntityBat['Bat'/126, l='MpServer', x=-226.00, y=36.01, z=269.52], EntityCreeper['Creeper'/127, l='MpServer', x=-227.50, y=67.00, z=291.50]]
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:347)
at net.minecraft.client.Minecraft.func_71396_d(Minecraft.java:2536)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:378)
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: 1.8.9
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: 233765160 bytes (222 MB) / 671350784 bytes (640 MB) up to 1060372480 bytes (1011 MB)
JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
IntCache: cache: 3, tcache: 0, allocated: 13, tallocated: 95
FML: MCP 9.19 Powered by Forge 11.15.1.1722 7 mods loaded, 7 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] (minecraft.jar)
UCHIJAAAA FML{8.0.99.99} [Forge Mod Loader] (forge-1.8.9-11.15.1.1722.jar)
UCHIJAAAA Forge{11.15.1.1722} [Minecraft Forge] (forge-1.8.9-11.15.1.1722.jar)
UCHIJAAAA cfm{4.0.1} [MrCrayfish's Furniture Mod] (cfm-4.0.1-mc1.8.9.jar)
UCHIJAAAA cfmce{1.0.1} [MrCrayfish's Furniture Mod: Community Edition] (cfmce-1.0.1-mc1.8.9.jar)
UCHIJAAAA RadixCore{1.8.9-2.1.0} [RadixCore] (RadixCore-1.8.9-2.1.0-universal.jar)
UCHIJAAAA MCA{1.8.9-5.1.2} [Minecraft Comes Alive] (MCA-1.8.9-5.1.2-universal.jar)
Loaded coremods (and transformers):
GL info: ' Vendor: 'Intel' Version: '3.1.0 - Build 9.17.10.4229' Renderer: 'Intel(R) HD Graphics'
Launched Version: 1.8.9-forge1.8.9-11.15.1.1722
LWJGL: 2.9.4
OpenGL: Intel(R) HD Graphics GL version 3.1.0 - Build 9.17.10.4229, Intel
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:
Current Language: English (US)
Profiler Position: N/A (disabled)
CPU: 2x Intel(R) Celeron(R) CPU 877 @ 1.40GHz