Minecraft Worlds Crash - minecraft-forge

Question

Please Help My Minecraft Crashes When I join A World. BTW I am using mods. Here Is My Crash Report
---- Minecraft Crash Report ----
WARNING: coremods are present: Java8CheckerCoremod
(Pixelmon-1.8-4.1.1-universal.jar) Contact their authors BEFORE
contacting forge
// Ooh. Shiny.
Time: 1/17/16 11:44 AM Description: Exception in server tick loop
java.lang.NullPointerException: Exception in server tick loop at
com.pixelmonmod.pixelmon.worldGeneration.structure.towns.ComponentTownPart.func_74875_a(ComponentTownPart.java:55)
at
net.minecraft.world.gen.structure.StructureStart.func_75068_a(StructureStart.java:45)
at
net.minecraft.world.gen.structure.MapGenStructure.func_175794_a(MapGenStructure.java:93)
at
net.minecraft.world.gen.ChunkProviderGenerate.func_73153_a(ChunkProviderGenerate.java:415)
at
net.minecraft.world.gen.ChunkProviderServer.func_73153_a(ChunkProviderServer.java:269)
at net.minecraft.world.chunk.Chunk.func_76624_a(Chunk.java:1126) at
net.minecraftforge.common.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:52)
at
net.minecraftforge.common.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:12)
at
net.minecraftforge.common.util.AsynchronousExecutor.skipQueue(AsynchronousExecutor.java:344)
at
net.minecraftforge.common.util.AsynchronousExecutor.getSkipQueue(AsynchronousExecutor.java:302)
at
net.minecraftforge.common.chunkio.ChunkIOExecutor.syncChunkLoad(ChunkIOExecutor.java:12)
at
net.minecraft.world.gen.ChunkProviderServer.loadChunk(ChunkProviderServer.java:117)
at
net.minecraft.world.gen.ChunkProviderServer.func_73158_c(ChunkProviderServer.java:92)
at
net.minecraft.server.MinecraftServer.func_71222_d(MinecraftServer.java:302)
at
net.minecraft.server.integrated.IntegratedServer.func_71247_a(IntegratedServer.java:112)
at
net.minecraft.server.integrated.IntegratedServer.func_71197_b(IntegratedServer.java:126)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:438)
at java.lang.Thread.run(Thread.java:745)
A detailed walkthrough of the error, its code path and all known
details is as follows:
-- System Details -- Details: Minecraft Version: 1.8 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: 876196800 bytes (835 MB) /
2034081792 bytes (1939 MB) up to 2134114304 bytes (2035 MB) JVM
Flags: 6 total;
-XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump
-Xmx2G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M IntCache: cache: 11, tcache: 0, allocated: 13, tallocated: 95 FML: MCP v9.10 FML v8.0.99.99 Minecraft
Forge 11.14.4.1577 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 UCHIJAA mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) UCHIJAA FML{8.0.99.99} [Forge Mod Loader]
(forge-1.8-11.14.4.1577.jar) UCHIJAA Forge{11.14.4.1577} [Minecraft
Forge] (forge-1.8-11.14.4.1577.jar) UCHIJAA customnpcs{1.8.0}
[CustomNPCs] (CustomNPCs_1.8.0.jar) UCHIJAA cfm{3.5.1}
[§9MrCrayfish's Furniture Mod] (MrCrayfishFurnitureModv3.5.1(1.8).jar)
UCHIJAA pixelmon{4.1.1} [Pixelmon] (Pixelmon-1.8-4.1.1-universal.jar)
UCHIJAA worldedit{6.1} [WorldEdit] (worldedit-forge-mc1.8-6.1.jar)
Loaded coremods (and transformers): Java8CheckerCoremod
(Pixelmon-1.8-4.1.1-universal.jar)
GL info: ~~ERROR~~ RuntimeException: No OpenGL context found in the current thread. Profiler Position: N/A (disabled) Player Count:
0 / 8; [] Type: Integrated Server (map_client.txt) Is Modded:
Definitely; Client brand changed to 'fml,forge'

Answer 1

You need to delete all the mods and start again as you have installed some that have overlapped.