Sponge crash when picking up an item

So while i have been setting up my server, it came to my attention that when you drop a block and try to pick it up, it kinda just, well, dies. I don’t really know what is happening, but when I remove Sponge from the mod pack it has no problems anymore. Help please!

---- Minecraft Crash Report ----

WARNING: coremods are present:
Inventory Tweaks Coremod (InventoryTweaks-1.63.jar)
SpongeCoremod (spongeforge-1.12.2-2838-7.1.7-RC3837.jar)
CTMCorePlugin (CTM-MC1.12.2-0.3.3.22.jar)
Contact their authors BEFORE contacting forge

// Would you like a cupcake?

Time: 7/10/19 4:39 PM
Description: Adding item to inventory

java.lang.NullPointerException: Adding item to inventory
at net.minecraft.entity.player.InventoryPlayer.impl$getSpongeSlotByIndex(InventoryPlayer.java:2692)
at net.minecraft.entity.player.InventoryPlayer.redirect$impl$ifCaptureDoTransactions$zgp000(InventoryPlayer.java:2711)
at net.minecraft.entity.player.InventoryPlayer.func_70452_e(InventoryPlayer.java:284)
at net.minecraft.entity.player.InventoryPlayer.func_191971_c(InventoryPlayer.java:425)
at net.minecraft.entity.player.InventoryPlayer.func_70441_a(InventoryPlayer.java:378)
at net.minecraft.entity.item.EntityItem.redirect$spongeImpl$throwPikcupEventForAddItem$zfj000(EntityItem.java:1262)
at net.minecraft.entity.item.EntityItem.func_70100_b_(EntityItem.java:400)
at net.minecraft.entity.player.EntityPlayer.redirect$onPlayerCollideEntity$zgn000(EntityPlayer.java:4298)
at net.minecraft.entity.player.EntityPlayer.func_71044_o(EntityPlayer.java:600)
at net.minecraft.entity.player.EntityPlayer.func_70636_d(EntityPlayer.java:571)
at net.minecraft.entity.EntityLivingBase.func_70071_h_(EntityLivingBase.java:2179)
at net.minecraft.entity.player.EntityPlayer.func_70071_h_(EntityPlayer.java:234)
at net.minecraft.entity.player.EntityPlayerMP.func_71127_g(EntityPlayerMP.java:382)
at net.minecraft.network.NetHandlerPlayServer.redirect$impl$onPlayerTick$zii000(NetHandlerPlayServer.java:2504)
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:180)
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:790)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:668)
at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:252)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:526)
at java.lang.Thread.run(Thread.java:745)

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

– Head –
Thread: Server thread
Stacktrace:
at net.minecraft.entity.player.InventoryPlayer.impl$getSpongeSlotByIndex(InventoryPlayer.java:2692)
at net.minecraft.entity.player.InventoryPlayer.redirect$impl$ifCaptureDoTransactions$zgp000(InventoryPlayer.java:2711)
at net.minecraft.entity.player.InventoryPlayer.func_70452_e(InventoryPlayer.java:284)

– Item being added –
Details:
Item ID: 1
Item data: 2
Registry Name: minecraft:stone
Item Class: net.minecraft.item.ItemMultiTexture
Item name: Polished Granite
Stacktrace:
at net.minecraft.entity.player.InventoryPlayer.func_191971_c(InventoryPlayer.java:425)
at net.minecraft.entity.player.InventoryPlayer.func_70441_a(InventoryPlayer.java:378)
at net.minecraft.entity.item.EntityItem.redirect$spongeImpl$throwPikcupEventForAddItem$zfj000(EntityItem.java:1262)
at net.minecraft.entity.item.EntityItem.func_70100_b_(EntityItem.java:400)
at net.minecraft.entity.player.EntityPlayer.redirect$onPlayerCollideEntity$zgn000(EntityPlayer.java:4298)
at net.minecraft.entity.player.EntityPlayer.func_71044_o(EntityPlayer.java:600)
at net.minecraft.entity.player.EntityPlayer.func_70636_d(EntityPlayer.java:571)
at net.minecraft.entity.EntityLivingBase.func_70071_h_(EntityLivingBase.java:2179)
at net.minecraft.entity.player.EntityPlayer.func_70071_h_(EntityPlayer.java:234)

– Player being ticked –
Details:
Entity Type: null (net.minecraft.entity.player.EntityPlayerMP)
Entity ID: 34
Entity Name: ItzGodsend
Entity’s Exact location: -82.60, 66.00, 257.22
Entity’s Block location: World: (-83,66,257), Chunk: (at 13,4,1 in -6,16; contains blocks -96,0,256 to -81,255,271), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
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.redirect$impl$onPlayerTick$zii000(NetHandlerPlayServer.java:2504)
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@243488b4
Stacktrace:
at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:180)

– Sponge PhaseTracker –
Details:
Phase Stack: [Empty stack]
Stacktrace:
at net.minecraft.server.MinecraftServer.handler$onCrashReport$zjd000(MinecraftServer.java:4712)
at net.minecraft.server.MinecraftServer.func_71230_b(MinecraftServer.java:889)
at net.minecraft.server.integrated.IntegratedServer.func_71230_b(IntegratedServer.java:372)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:554)
at java.lang.Thread.run(Thread.java:745)

– System Details –
Details:
Minecraft Version: 1.12.2
Operating System: Windows 10 (amd64) version 10.0
Java Version: 1.8.0_51, Oracle Corporation
Java VM Version: Java HotSpot™ 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 1735922784 bytes (1655 MB) / 3747086336 bytes (3573 MB) up to 7635730432 bytes (7282 MB)
JVM Flags: 4 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx8192m -Xms256m -XX:PermSize=256m
IntCache: cache: 12, tcache: 94, allocated: 0, tallocated: 0
FML: MCP 9.42 Powered by Forge 14.23.5.2838 Optifine OptiFine_1.12.2_HD_U_E3 49 mods loaded, 49 mods active
States: ‘U’ = Unloaded ‘L’ = Loaded ‘C’ = Constructed ‘H’ = Pre-initialized ‘I’ = Initialized ‘J’ = Post-initialized ‘A’ = Available ‘D’ = Disabled ‘E’ = Errored

Mods:

| State  | ID                  | Version                  | Source                                          | Signature                                |
|:------ |:------------------- |:------------------------ |:----------------------------------------------- |:---------------------------------------- |
| LCHIJA | minecraft           | 1.12.2                   | minecraft.jar                                   | None                                     |
| LCHIJA | mcp                 | 9.42                     | minecraft.jar                                   | None                                     |
| LCHIJA | FML                 | 8.0.99.99                | forge-1.12.2-14.23.5.2838.jar                   | e3c3d50c7c986df74c645c0ac54639741c90a557 |
| LCHIJA | forge               | 14.23.5.2838             | forge-1.12.2-14.23.5.2838.jar                   | e3c3d50c7c986df74c645c0ac54639741c90a557 |
| LCHIJA | spongeapi           | 7.1.0-a56d82c4c          | spongeforge-1.12.2-2838-7.1.7-RC3837.jar        | None                                     |
| LCHIJA | sponge              | 1.12.2-7.1.7-SNAPSHOT    | spongeforge-1.12.2-2838-7.1.7-RC3837.jar        | None                                     |
| LCHIJA | spongeforge         | 1.12.2-2838-7.1.7-RC3837 | spongeforge-1.12.2-2838-7.1.7-RC3837.jar        | None                                     |
| LCHIJA | uncraftingtable     | 1.8-beta6                | [1.12]UncraftingTable-1.8-beta6.jar             | None                                     |
| LCHIJA | pixelmon            | 7.0.6                    | Pixelmon-1.12.2-7.0.6-universal.jar             | None                                     |
| LCHIJA | betterbuilderswands | 0.11.1                   | BetterBuildersWands-1.12-0.11.1.245+69d0d70.jar | None                                     |
| LCHIJA | bibliocraft         | 2.4.5                    | BiblioCraft[v2.4.5][MC1.12.2].jar               | None                                     |
| LCHIJA | chameleon           | 1.12-4.1.3               | Chameleon-1.12-4.1.3.jar                        | None                                     |
| LCHIJA | ctm                 | MC1.12.2-0.3.3.22        | CTM-MC1.12.2-0.3.3.22.jar                       | None                                     |
| LCHIJA | chisel              | MC1.12.2-0.2.1.35        | Chisel-MC1.12.2-0.2.1.35.jar                    | None                                     |
| LCHIJA | chiselsandbits      | 14.33                    | chiselsandbits-14.33.jar                        | None                                     |
| LCHIJA | elevatorid          | 1.3.10                   | ElevatorMod-1.12.2-1.3.10.jar                   | None                                     |
| LCHIJA | gravestone          | 1.10.1                   | gravestone-1.10.1.jar                           | None                                     |
| LCHIJA | waila               | 1.8.26                   | Hwyla-1.8.26-B41_1.12.2.jar                     | None                                     |
| LCHIJA | inventorytweaks     | 1.63+release.109.220f184 | InventoryTweaks-1.63.jar                        | 55d2cd4f5f0961410bf7b91ef6c6bf00a766dcbe |
| LCHIJA | ironbackpacks       | 1.12.2-3.0.8-12          | IronBackpacks-1.12.2-3.0.8-12.jar               | None                                     |
| LCHIJA | ironchest           | 1.12.2-7.0.67.844        | ironchest-1.12.2-7.0.69.845.jar                 | None                                     |
| LCHIJA | jei                 | 4.15.0.268               | jei_1.12.2-4.15.0.268.jar                       | None                                     |
| LCHIJA | journeymap          | 1.12.2-5.5.4             | journeymap-1.12.2-5.5.4.jar                     | None                                     |
| LCHIJA | lunatriuscore       | 1.2.0.42                 | LunatriusCore-1.12.2-1.2.0.42-universal.jar     | None                                     |
| LCHIJA | meltanfixer         | 1.12.2-1.0.4-universal   | MeltanFixer-1.12.2-1.0.4-universal.jar          | None                                     |
| LCHIJA | morpheus            | 1.12.2-3.5.106           | Morpheus-1.12.2-3.5.106.jar                     | None                                     |
| LCHIJA | oreexcavation       | 1.4.140                  | OreExcavation-1.4.140.jar                       | None                                     |
| LCHIJA | pixelextras         | 2.5.0                    | PixelExtras-1.12.2-2.5.0-universal.jar          | None                                     |
| LCHIJA | schematica          | 1.8.0.169                | Schematica-1.12.2-1.8.0.169-universal.jar       | None                                     |
| LCHIJA | storagedrawers      | 1.12-5.3.5               | StorageDrawers-1.12.2-5.3.8.jar                 | None                                     |
| LCHIJA | subcommonlib        | 1.2.0.1                  | subcommonlib-sublib-1.12.2-1.2.0.4.jar          | None                                     |
| LCHIJA | telepads            | $version                 | telepads-1.12.2-1.1.0.5.jar                     | None                                     |
| LCHIJA | trainercommands     | 2.5.0                    | TrainerCommands-1.12.2-2.5.0-universal.jar      | None                                     |
| LCHIJA | treechopper         | 1.2.4                    | TreeChopper-1.12.2-1.2.4.jar                    | None                                     |
| LCHIJA | ts2k16              | 1.2.10                   | TS2K16-1.2.10.jar                               | None                                     |
| LCHIJA | wailaharvestability | 1.1.12                   | WailaHarvestability-mc1.12-1.1.12.jar           | None                                     |
| LCHIJA | wawla               | 2.5.273                  | Wawla-1.12.2-2.5.273.jar                        | d476d1b22b218a10d845928d1665d45fce301b27 |
| LCHIJA | waystones           | 4.0.72                   | Waystones_1.12.2-4.0.72.jar                     | None                                     |
| LCHIJA | wondertrade         | 4.6.2                    | WonderTrade-1.12.2-4.6.2-universal.jar          | None                                     |


Plugins:

| State  | ID                       | Version     | Source                                    | Signature |
|:------ |:------------------------ |:----------- |:----------------------------------------- |:--------- |
| LCHIJA | agp                      | 1.0.2       | AGP-Responged-S7.1.0-1.0.2.jar            | None      |
| LCHIJA | pixelmoneconomybridge    | 2.0.7       | EcoBridge-1.12.2-2.0.7.jar                | None      |
| LCHIJA | evenmorepixelmoncommands | 5.1.0       | EvenMorePixelmonCommands-1.12.2-5.1.0.jar | None      |
| LCHIJA | nucleus                  | 1.12.1-S7.1 | Nucleus-1.12.1-S7.1-MC1.12.2-plugin.jar   | None      |
| LCHIJA | pixelhunt                | 1.1.3       | PixelHunt-1.1.3-MC1.12.2-S7.2.0.jar       | None      |
| LCHIJA | pixelmonbroadcasts       | 0.4.1       | PixelmonBroadcasts-1.12.2-0.4.1.jar       | None      |
| LCHIJA | pixelmoney               | 3.0.2       | PixelMoney-1.12.2-3.0.2.jar               | None      |
| LCHIJA | pokedexrewards           | 0.8.1       | PokedexRewards-0.8.1.jar                  | None      |
| LCHIJA | simpledexrewards         |             | SimpleDexRewards-1.0-RELEASE-.jar         | None      |
| LCHIJA | totaleconomy             | 1.8.1       | TotalEconomy-1.8.1.jar                    | None      |

Loaded coremods (and transformers): 

Inventory Tweaks Coremod (InventoryTweaks-1.63.jar)
invtweaks.forge.asm.ContainerTransformer
SpongeCoremod (spongeforge-1.12.2-2838-7.1.7-RC3837.jar)
org.spongepowered.common.launch.transformer.SpongeSuperclassTransformer
CTMCorePlugin (CTM-MC1.12.2-0.3.3.22.jar)
team.chisel.ctm.client.asm.CTMTransformer
GL info: ERROR RuntimeException: No OpenGL context found in the current thread.
Profiler Position: N/A (disabled)
Player Count: 1 / 8; [EntityPlayerMP[‘ItzGodsend’/34, l=‘New World’, x=-82.60, y=66.00, z=257.22]]
Type: Integrated Server (map_client.txt)
Is Modded: Definitely; Client brand changed to ‘fml,forge,sponge’
OptiFine Version: OptiFine_1.12.2_HD_U_E3
OptiFine Build: 20181210-121000
Render Distance Chunks: 12
Mipmaps: 4
Anisotropic Filtering: 1
Antialiasing: 0
Multitexture: false
Shaders: null
OpenGlVersion: 4.5.13539 Compatibility Profile Context 24.20.13017.5001
OpenGlRenderer: Radeon RX 580 Series
OpenGlVendor: ATI Technologies Inc.
CpuCount: 12

Please post logs per Common Crash Issues [PLEASE READ FIRST]

Secondarily, have you updated sponge/forge to the latest compatible versions?