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Hey so I just got Galacticraft as a mod, the three files are (this information might not be relevant):

GalacticraftCore-1.7-3.0.12.497

Galacticraft-Planets-1.7-3.0.12.497

MicdoodleCore-1.7-3.0.12.497

So i launch Minecraft Forge 1.7.10 and into my world, I put a pre-fueled rocket on the launch pad, ignored the parachute warning and it went from 20-19 and then it just crashes, I only used tier 3 and 4 rockets so I don't know if this happens with other ones. The strange thing is that when I reload into that world again, the rocket is still there, launching, and it works! so here is the error I got when it crashed, hope this is enough information for you.

Description: Exception generating new chunk

java.lang.NullPointerException: Exception generating new chunk at com.mjr.extraplanets.planets.Venus.worldgen.dungeon.MapGenDungeon.canGenDungeonAtCoords(MapGenDungeon.java:452) at com.mjr.extraplanets.planets.Venus.worldgen.dungeon.MapGenDungeon.getDungeonNear(MapGenDungeon.java:523) at com.mjr.extraplanets.planets.Venus.worldgen.dungeon.MapGenDungeon.generateUsingArrays(MapGenDungeon.java:44) at com.mjr.extraplanets.planets.Venus.worldgen.ChunkProviderVenus.onChunkProvide(ChunkProviderVenus.java:158) at micdoodle8.mods.galacticraft.api.prefab.world.gen.ChunkProviderSpace.func_73154_d(ChunkProviderSpace.java:248) at net.minecraft.world.gen.ChunkProviderServer.originalLoadChunk(ChunkProviderServer.java:172) at net.minecraft.world.gen.ChunkProviderServer.loadChunk(ChunkProviderServer.java:131) at net.minecraft.world.gen.ChunkProviderServer.func_73158_c(ChunkProviderServer.java:101) at net.minecraft.world.gen.ChunkProviderServer.func_73154_d(ChunkProviderServer.java:199) at net.minecraft.world.World.func_72964_e(World.java:419) at micdoodle8.mods.galacticraft.api.prefab.entity.EntityTieredRocket.func_70071_h_(EntityTieredRocket.java:225) at micdoodle8.mods.galacticraft.planets.asteroids.entities.EntityTier3Rocket.func_70071_h_(EntityTier3Rocket.java:79) at net.minecraft.world.World.func_72866_a(World.java:2070) at net.minecraft.world.WorldServer.func_72866_a(WorldServer.java:648) at net.minecraft.world.World.func_72870_g(World.java:2034) at net.minecraft.world.World.func_72939_s(World.java:1887) at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:489) at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:636) at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:547) at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:111) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:427) at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685)

I hope there is a way to fix this.

Quote from GDMinecraftGamer»

Hey so I just got Galacticraft as a mod, the three files are (this information might not be relevant):

GalacticraftCore-1.7-3.0.12.497

Galacticraft-Planets-1.7-3.0.12.497

MicdoodleCore-1.7-3.0.12.497

java.lang.NullPointerException: Exception generating new chunk at com.mjr.extraplanets.planets.Venus.worldgen.dungeon.MapGenDungeon.canGenDungeonAtCoords(MapGenDungeon.java:452) at com.mjr.extraplanets.planets.Venus.worldgen.dungeon.MapGenDungeon.getDungeonNear(MapGenDungeon.java:523) at com.mjr.extraplanets.planets.Venus.worldgen.dungeon.MapGenDungeon.generateUsingArrays(MapGenDungeon.java:44) at com.mjr.extraplanets.planets.Venus.worldgen.ChunkProviderVenus.onChunkProvide(ChunkProviderVenus.java:158) at

I hope there is a way to fix this.

Extra Planets is not Galacticraft, it is an add-on made by a different author. It is Extra Planets crashing here. Not Galacticraft.

You can try removing Extra Planets. Or sometimes this type of issue can be fixed by updating Extra Planets.

(Each version of Extra Planets needs to match one specific Galacticraft version - maybe you are not using Extra Planets version to match Galacticraft 497?)