I can't open any world without my launcher crashing for my mod. 

 

---- Minecraft Crash Report ----

// Hey, that tickles! Hehehe!

 

Time: 5/01/17 3:27 PM

Description: Exception in server tick loop

 

java.lang.NullPointerException: Exception in server tick loop

at com.mazemod.structures.Util.allTrue(Util.java:61)

at com.mazemod.structures.StructureMazeHouse.generate(StructureMazeHouse.java:22)

at com.mazemod.structures.StructureGen.generateOverworld(StructureGen.java:62)

at com.mazemod.structures.StructureGen.generate(StructureGen.java:38)

at cpw.mods.fml.common.registry.GameRegistry.generateWorld(GameRegistry.java:106)

at net.minecraft.world.gen.ChunkProviderServer.populate(ChunkProviderServer.java:314)

at net.minecraft.world.chunk.Chunk.populateChunk(Chunk.java:1157)

at net.minecraft.world.gen.ChunkProviderServer.originalLoadChunk(ChunkProviderServer.java:208)

at net.minecraft.world.gen.ChunkProviderServer.loadChunk(ChunkProviderServer.java:149)

at net.minecraft.world.gen.ChunkProviderServer.loadChunk(ChunkProviderServer.java:119)

at net.minecraft.server.MinecraftServer.initialWorldChunkLoad(MinecraftServer.java:305)

at net.minecraft.server.integrated.IntegratedServer.loadAllWorlds(IntegratedServer.java:79)

at net.minecraft.server.integrated.IntegratedServer.startServer(IntegratedServer.java:96)

at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:445)

at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:752)

 

 

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

---------------------------------------------------------------------------------------

 

-- System Details --

Details:

Minecraft Version: 1.7.10

Operating System: Windows 8.1 (amd64) version 6.3

Java Version: 1.8.0_25, Oracle Corporation

Java VM Version: Java HotSpot 64-Bit Server VM (mixed mode), Oracle Corporation

Memory: 843187904 bytes (804 MB) / 1038876672 bytes (990 MB) up to 1038876672 bytes (990 MB)

JVM Flags: 3 total; -Xincgc -Xmx1024M -Xms1024M

AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used

IntCache: cache: 1, tcache: 1, allocated: 12, tallocated: 94

FML: MCP v9.05 FML v7.10.85.1230 Minecraft Forge 10.13.2.1230 4 mods loaded, 4 mods active

mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

FML{7.10.85.1230} [Forge Mod Loader] (forgeSrc-1.7.10-10.13.2.1230.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

Forge{10.13.2.1230} [Minecraft Forge] (forgeSrc-1.7.10-10.13.2.1230.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

mazemod{1.0} [Maze Runner Mod] (bin) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

Profiler Position: N/A (disabled)

Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used

Player Count: 0 / 8; []

Type: Integrated Server (map_client.txt)

Is Modded: Definitely; Client brand changed to 'fml,forge'

java.lang.NullPointerException: Exception in server tick loop

  at com.mazemod.structures.Util.allTrue(Util.java:61)

 

 

Go to this line.  Find the thing that is null. Make it not null.

 

Also, you didn't post any fucking code, so I can't fucking help more than that.