1.12.2 varied commodities crash with mithril staff

[jonqrandom]

Spoiler

---- Minecraft Crash Report ----
// Uh... Did I do that?

Time: 10/3/17 2:07 AM
Description: Ticking player

java.lang.NullPointerException: Ticking player
    at noppes.vc.items.ItemBasic.playSound(ItemBasic.java:38)
    at noppes.vc.items.ItemStaff.onUsingTick(ItemStaff.java:117)
    at net.minecraft.entity.EntityLivingBase.func_184608_ct(EntityLivingBase.java:2664)
    at net.minecraft.entity.EntityLivingBase.func_70071_h_(EntityLivingBase.java:2084)
    at net.minecraft.entity.player.EntityPlayer.func_70071_h_(EntityPlayer.java:232)
    at net.minecraft.entity.player.EntityPlayerMP.func_71127_g(EntityPlayerMP.java:382)
    at net.minecraft.network.NetHandlerPlayServer.func_73660_a(NetHandlerPlayServer.java:173)
    at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher$1.func_73660_a(NetworkDispatcher.java:209)
    at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:285)
    at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:179)
    at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:788)
    at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:666)
    at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:185)
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:524)
    at java.lang.Thread.run(Unknown Source)

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

-- Head --
Thread: Server thread
Stacktrace:
    at noppes.vc.items.ItemBasic.playSound(ItemBasic.java:38)
    at noppes.vc.items.ItemStaff.onUsingTick(ItemStaff.java:117)
    at net.minecraft.entity.EntityLivingBase.func_184608_ct(EntityLivingBase.java:2664)
    at net.minecraft.entity.EntityLivingBase.func_70071_h_(EntityLivingBase.java:2084)
    at net.minecraft.entity.player.EntityPlayer.func_70071_h_(EntityPlayer.java:232)

-- Player being ticked --
Details:
    Entity Type: null (net.minecraft.entity.player.EntityPlayerMP)
    Entity ID: 1356
    Entity Name: jonqrandom
    Entity's Exact location: 184.63, 75.00, 267.89
    Entity's Block location: World: (184,75,267), Chunk: (at 8,4,11 in 11,16; contains blocks 176,0,256 to 191,255,271), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
    Entity's Momentum: 0.00, -0.08, 0.00
    Entity's Passengers: []
    Entity's Vehicle: ~~ERROR~~ NullPointerException: null
Stacktrace:
    at net.minecraft.entity.player.EntityPlayerMP.func_71127_g(EntityPlayerMP.java:382)
    at net.minecraft.network.NetHandlerPlayServer.func_73660_a(NetHandlerPlayServer.java:173)
    at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher$1.func_73660_a(NetworkDispatcher.java:209)
    at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:285)

-- Ticking connection --
Details:
    Connection: net.minecraft.network.NetworkManager@37b0d5e0
Stacktrace:
    at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:179)
    at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:788)
    at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:666)
    at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:185)
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:524)
    at java.lang.Thread.run(Unknown Source)

-- System Details --
Details:
    Minecraft Version: 1.12.2
    Operating System: Windows 7 (amd64) version 6.1
    Java Version: 1.8.0_144, Oracle Corporation
    Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
    Memory: 140888472 bytes (134 MB) / 691331072 bytes (659 MB) up to 20901789696 bytes (19933 MB)
    JVM Flags: 10 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx20000m -Xms256m -XX:PermSize=256m -XX:UseSSE=4 -XX:+UseConcMarkSweepGC -XX:+UseCMSCompactAtFullCollection -XX:+UseParNewGC -XX:+DisableExplicitGC -XX:+AggressiveOpts
    IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
    FML: MCP 9.42 Powered by Forge 14.23.0.2497 5 mods loaded, 5 mods active
    States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored

    | State     | ID                | Version      | Source                                | Signature                                |
    |:--------- |:----------------- |:------------ |:------------------------------------- |:---------------------------------------- |
    | UCHIJAAAA | minecraft         | 1.12.2       | minecraft.jar                         | None                                     |
    | UCHIJAAAA | mcp               | 9.42         | minecraft.jar                         | None                                     |
    | UCHIJAAAA | FML               | 8.0.99.99    | forge-1.12.2-14.23.0.2497.jar         | e3c3d50c7c986df74c645c0ac54639741c90a557 |
    | UCHIJAAAA | forge             | 14.23.0.2497 | forge-1.12.2-14.23.0.2497.jar         | e3c3d50c7c986df74c645c0ac54639741c90a557 |
    | UCHIJAAAA | variedcommodities | 1.12.2       | VariedCommodities_1.12.2(30sep17).jar | None                                     |

    Loaded coremods (and transformers): 
    GL info: ~~ERROR~~ RuntimeException: No OpenGL context found in the current thread.
    Profiler Position: N/A (disabled)
    Player Count: 1 / 8; [EntityPlayerMP['jonqrandom'/1356, l='New World', x=184.63, y=75.00, z=267.89]]
    Type: Integrated Server (map_client.txt)
    Is Modded: Definitely; Client brand changed to 'fml,forge'

happened when holding right-mouse with the mithril staff in main-hand. i understand these items aren't meant to be (fully?) functional, so this isn't a complaint or anything like, i'm just submitting it in case it's of interest?

[jonqrandom]

got a crash attempting to run VC on a server;

Spoiler

---- Minecraft Crash Report ----
// Surprise! Haha. Well, this is awkward.

Time: 23/10/17 23:36
Description: Exception in server tick loop

java.lang.NoClassDefFoundError: net/minecraftforge/client/model/ModelLoader
    at noppes.vc.VCBlocks.registerItems(VCBlocks.java:353)
    at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_11_VCBlocks_registerItems_Register.invoke(.dynamic)
    at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90)
    at net.minecraftforge.fml.common.eventhandler.EventBus$1.invoke(EventBus.java:143)
    at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:179)
    at net.minecraftforge.registries.GameData.fireRegistryEvents(GameData.java:739)
    at net.minecraftforge.fml.common.Loader.preinitializeMods(Loader.java:603)
    at net.minecraftforge.fml.server.FMLServerHandler.beginServerLoading(FMLServerHandler.java:98)
    at net.minecraftforge.fml.common.FMLCommonHandler.onServerStart(FMLCommonHandler.java:331)
    at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:125)
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:484)
    at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.ClassNotFoundException: net.minecraftforge.client.model.ModelLoader
    at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    ... 12 more
Caused by: java.lang.NoClassDefFoundError: net/minecraft/client/renderer/block/model/ModelBakery
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:763)
    at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
    at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)
    ... 14 more
Caused by: java.lang.ClassNotFoundException: net.minecraft.client.renderer.block.model.ModelBakery
    at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    ... 18 more
Caused by: net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerException: Exception in class transformer net.minecraftforge.fml.common.asm.transformers.SideTransformer@475b7792 from coremod FMLCorePlugin
    at net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerWrapper.transform(ASMTransformerWrapper.java:262)
    at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:279)
    at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:176)
    ... 20 more
Caused by: java.lang.RuntimeException: Attempted to load class cgb for invalid side SERVER
    at net.minecraftforge.fml.common.asm.transformers.SideTransformer.transform(SideTransformer.java:62)
    at net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerWrapper.transform(ASMTransformerWrapper.java:258)
    ... 22 more

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

-- System Details --
Details:
    Minecraft Version: 1.12.2
    Operating System: Windows 7 (amd64) version 6.1
    Java Version: 1.8.0_144, Oracle Corporation
    Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
    Memory: 16274645512 bytes (15520 MB) / 16464216064 bytes (15701 MB) up to 16464216064 bytes (15701 MB)
    JVM Flags: 2 total; -Xmx16G -Xms16G
    IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
    FML: MCP 9.42 Powered by Forge 14.23.0.2515 5 mods loaded, 5 mods active
    States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored

    | State | ID                | Version      | Source                                  | Signature                                |
    |:----- |:----------------- |:------------ |:--------------------------------------- |:---------------------------------------- |
    | UCH   | minecraft         | 1.12.2       | minecraft.jar                           | None                                     |
    | UCH   | mcp               | 9.42         | minecraft.jar                           | None                                     |
    | UCH   | FML               | 8.0.99.99    | forge-1.12.2-14.23.0.2515-universal.jar | e3c3d50c7c986df74c645c0ac54639741c90a557 |
    | UCH   | forge             | 14.23.0.2515 | forge-1.12.2-14.23.0.2515-universal.jar | e3c3d50c7c986df74c645c0ac54639741c90a557 |
    | UCH   | variedcommodities | 1.12.2       | VariedCommodities_1.12.2(30sep17).jar   | None                                     |

    Loaded coremods (and transformers): 
    Profiler Position: N/A (disabled)
    Is Modded: Definitely; Server brand changed to 'fml,forge'
    Type: Dedicated Server (map_server.txt)