Need Serious help lol

Hello i run a pixelmon server running sponge 4.0 1195 with recomended forge and everything.
The mods i am using along with plugins are
Pixelmon 4.2.3
Polis(lattest version)
EssentialCmds 7.8
Kits 1.6
PermissionsEX api 4.0
Total Economy
and twentyticks latest version

Heres the crash report

---- Minecraft Crash Report ----

WARNING: coremods are present:
SpongeCoremod (spongeforge-1.8.9-1763-4.1.0-BETA-1195.jar)
Java8CheckerCoremod (Pixelmon-1.8.9-4.2.3-universal.jar)
Contact their authors BEFORE contacting forge

// Quite honestly, I wouldn’t worry myself about that.

Time: 3/13/16 3:00 PM
Description: Saving entity NBT

java.lang.NullPointerException: Saving entity NBT
at com.pixelmonmod.pixelmon.entities.pixelmon.Entity6CanBattle.getPixelmonWrapper(Entity6CanBattle.java:901)
at com.pixelmonmod.pixelmon.entities.pixelmon.Entity8HoldsItems.func_70014_b(Entity8HoldsItems.java:124)
at com.pixelmonmod.pixelmon.entities.pixelmon.Entity10CanBreed.func_70014_b(Entity10CanBreed.java:132)
at com.pixelmonmod.pixelmon.entities.pixelmon.EntityPixelmon.func_70014_b(EntityPixelmon.java:369)
at net.minecraft.entity.Entity.func_70109_d(Entity.java:1388)
at org.spongepowered.common.entity.SpongeEntitySnapshotBuilder.from(SpongeEntitySnapshotBuilder.java:139)
at net.minecraft.entity.Entity.createSnapshot(Entity.java:306)
at org.spongepowered.common.event.CauseTracker.handleEntitySpawns(CauseTracker.java:347)
at org.spongepowered.common.event.CauseTracker.handlePostTickCaptures(CauseTracker.java:521)
at net.minecraft.world.World.redirect$onCallEntityUpdate$0(World.java:306)
at net.minecraft.world.World.func_72866_a(World.java:1862)
at net.minecraft.world.WorldServer.func_72866_a(WorldServer.java:700)
at net.minecraft.world.World.func_72870_g(World.java:1831)
at net.minecraft.world.World.func_72939_s(World.java:1663)
at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:545)
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:701)
at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:344)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:605)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:481)
at java.lang.Thread.run(Unknown Source)

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

– Head –
Stacktrace:
at com.pixelmonmod.pixelmon.entities.pixelmon.Entity6CanBattle.getPixelmonWrapper(Entity6CanBattle.java:901)
at com.pixelmonmod.pixelmon.entities.pixelmon.Entity8HoldsItems.func_70014_b(Entity8HoldsItems.java:124)
at com.pixelmonmod.pixelmon.entities.pixelmon.Entity10CanBreed.func_70014_b(Entity10CanBreed.java:132)
at com.pixelmonmod.pixelmon.entities.pixelmon.EntityPixelmon.func_70014_b(EntityPixelmon.java:369)

– Entity being saved –
Details:
Entity Type: pixelmon.Pixelmon (com.pixelmonmod.pixelmon.entities.pixelmon.EntityPixelmon)
Entity ID: 1055
Entity Name: Aron
Entity’s Exact location: -315.06, 104.62, 10.35

Entity's Block location: -316.00,104.00,10.00 - World: 

(-316,104,10), Chunk: (at 4,6,10 in -20,0; contains blocks -320,0,0 to
-305,255,15), Region: (-1,0; contains chunks -32,0 to -1,31, blocks
-512,0,0 to -1,255,511)
Entity’s Momentum: 0.00, 0.00, 0.00
Entity’s Rider: ERROR NullPointerException: null
Entity’s Vehicle: ERROR NullPointerException: null
Stacktrace:
at net.minecraft.entity.Entity.func_70109_d(Entity.java:1388)
at org.spongepowered.common.entity.SpongeEntitySnapshotBuilder.from(SpongeEntitySnapshotBuilder.java:139)
at net.minecraft.entity.Entity.createSnapshot(Entity.java:306)
at org.spongepowered.common.event.CauseTracker.handleEntitySpawns(CauseTracker.java:347)
at org.spongepowered.common.event.CauseTracker.handlePostTickCaptures(CauseTracker.java:521)
at net.minecraft.world.World.redirect$onCallEntityUpdate$0(World.java:306)
at net.minecraft.world.World.func_72866_a(World.java:1862)
at net.minecraft.world.WorldServer.func_72866_a(WorldServer.java:700)
at net.minecraft.world.World.func_72870_g(World.java:1831)

– Entity being ticked –
Details:
Entity Type: pixelmon.Trainer (com.pixelmonmod.pixelmon.entities.npcs.NPCTrainer)
Entity ID: 814
Entity Name: Sans
Entity’s Exact location: -314.50, 104.00, 8.50

Entity's Block location: -315.00,104.00,8.00 - World: (-315,104,8), 

Chunk: (at 5,6,8 in -20,0; contains blocks -320,0,0 to -305,255,15),
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 Rider: ERROR NullPointerException: null
Entity’s Vehicle: ERROR NullPointerException: null
Stacktrace:
at net.minecraft.world.World.func_72939_s(World.java:1663)
at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:545)

– Affected level –
Details:
Level name: DeadPixel

All players: 2 total; [EntityPlayerMP[‘1BadGTO’/60, l=‘DeadPixel’,
x=999621.94, y=72.18, z=999345.34], EntityPlayerMP[‘smdooley’/812,
l=‘DeadPixel’, x=-315.06, y=104.62, z=10.35]]
Chunk stats: ServerChunkCache: 1146 Drop: 0
Level seed: 950863049
Level generator: ID 00 - default, ver 1. Features enabled: false
Level generator options:

Level spawn location: -122.00,65.00,247.00 - World: (-122,65,247), 

Chunk: (at 6,4,7 in -8,15; contains blocks -128,0,240 to -113,255,255),
Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to
-1,255,511)
Level time: 3141397 game time, 2916580 day time
Level dimension: 0
Level storage version: 0x04ABD - Anvil
Level weather: Rain time: 1 (now: false), thunder time: 1 (now: false)
Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Stacktrace:
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:701)
at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:344)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:605)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:481)
at java.lang.Thread.run(Unknown Source)

– System Details –
Details:
Minecraft Version: 1.8.9
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.8.0_72, Oracle Corporation
Java VM Version: Java HotSpot™ 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 1208577728 bytes (1152 MB) / 2108162048 bytes (2010 MB) up to 3817865216 bytes (3641 MB)
JVM Flags: 1 total; -Xmx4G
IntCache: cache: 0, tcache: 1, allocated: 12, tallocated: 94
FML: MCP 9.19 Powered by Forge 11.15.1.1763 12 mods loaded, 12 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{11.15.1.1763} Minecraft Forge
UCHIJAAAA sponge{DEV} SpongeForge
UCHIJAAAA io.github.hsyyid.essentialcmds{7.8c-23b5a56} EssentialCmds
UCHIJAAAA pixelmon{4.2.3} Pixelmon
UCHIJAAAA ivsevs{4.1.0} IVsEVs
UCHIJAAAA io.github.hsyyid.kits{1.5d} Kits
UCHIJAAAA ninja.leaping.permissionsex{2.0-SNAPSHOT} PermissionsEx
UCHIJAAAA io.github.hsyyid.polis{2.3c} Polis
UCHIJAAAA totaleconomy{1.4.0} Total Economy
UCHIJAAAA twentyticks{1.0.0} Twenty Ticks
Loaded coremods (and transformers):
SpongeCoremod (spongeforge-1.8.9-1763-4.1.0-BETA-1195.jar)
org.spongepowered.common.launch.transformer.SpongeSuperclassTransformer
Java8CheckerCoremod (Pixelmon-1.8.9-4.2.3-universal.jar)

Profiler Position: N/A (disabled)
Player Count: 2 / 50; [EntityPlayerMP[‘1BadGTO’/60, l=‘DeadPixel’, x=999621.94, y=72.18, z=999345.34], EntityPlayerMP[‘smdooley’/812, l=‘DeadPixel’, x=-315.06, y=104.62, z=10.35]]
Is Modded: Definitely; Server brand changed to ‘fml,forge,sponge’
Type: Dedicated Server (map_server.txt)

github. https://github.com/Burachi/gg/issues/1

This is most likely a problem with either SpongeForge or Pixelmon. Please post your issue here Issues · SpongePowered/SpongeForge · GitHub if you haven’t already

The stack trace points the issue to Pixelmon where they’re not doing a null check when saving NBT information.