// Why did you do that?

Time: 12/14/17 12:15 AM
Description: Exception in server tick loop

java.lang.NoSuchFieldError: isInGui
	at net.tropicraft.core.common.entity.underdasea.atlantoku.EntityTropicraftWaterBase.<init>(EntityTropicraftWaterBase.java:41)
	at net.tropicraft.core.common.entity.underdasea.atlantoku.EntityShark.<init>(EntityShark.java:28)
	at net.tropicraft.core.common.worldgen.mapgen.MapGenUndergroundWaterCove.decorate(MapGenUndergroundWaterCove.java:151)
	at net.tropicraft.core.common.dimension.ChunkProviderTropicraft.func_185931_b(ChunkProviderTropicraft.java:88)
	at org.spongepowered.mod.world.gen.SpongeChunkGeneratorForge.func_185931_b(SpongeChunkGeneratorForge.java:254)
	at net.minecraft.world.chunk.Chunk.func_186034_a(Chunk.java:1000)
	at net.minecraft.world.chunk.Chunk.func_186030_a(Chunk.java:983)
	at net.minecraft.world.gen.ChunkProviderServer.func_186025_d(ChunkProviderServer.java:154)
	at net.minecraft.server.MinecraftServer.prepareSpawnArea(MinecraftServer.java:3543)
	at org.spongepowered.common.world.WorldManager.createWorldFromProperties(WorldManager.java:819)
	at org.spongepowered.common.world.WorldManager.loadAllWorlds(WorldManager.java:764)
	at net.minecraft.server.MinecraftServer.func_71247_a(MinecraftServer.java:3491)
	at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:266)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:431)
	at java.lang.Thread.run(Thread.java:748)


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

-- Head --
Thread: Server thread
Stacktrace:
	at net.tropicraft.core.common.entity.underdasea.atlantoku.EntityTropicraftWaterBase.<init>(EntityTropicraftWaterBase.java:41)
	at net.tropicraft.core.common.entity.underdasea.atlantoku.EntityShark.<init>(EntityShark.java:28)
	at net.tropicraft.core.common.worldgen.mapgen.MapGenUndergroundWaterCove.decorate(MapGenUndergroundWaterCove.java:151)
	at net.tropicraft.core.common.dimension.ChunkProviderTropicraft.func_185931_b(ChunkProviderTropicraft.java:88)
	at org.spongepowered.mod.world.gen.SpongeChunkGeneratorForge.func_185931_b(SpongeChunkGeneratorForge.java:254)
	at net.minecraft.world.chunk.Chunk.func_186034_a(Chunk.java:1000)
	at net.minecraft.world.chunk.Chunk.func_186030_a(Chunk.java:983)
	at net.minecraft.world.gen.ChunkProviderServer.func_186025_d(ChunkProviderServer.java:154)
	at net.minecraft.server.MinecraftServer.prepareSpawnArea(MinecraftServer.java:3543)
	at org.spongepowered.common.world.WorldManager.createWorldFromProperties(WorldManager.java:819)

-- Sponge CauseTracker --
Details:
	Cause Stack: /*****************************************************************/
/*   - Phase: GeneralGenerationPhaseState{id=TERRAIN_GENERATION} */
/*     Context:                                                  */
/*     - Name: World                                             */
/*       Object: WorldServer{LevelName=TROPICS, DimensionId=-127, DimensionType=tropicraft:tropics} */
/*     - Name: CapturedBlocks                                    */
/*       Object: CapturedBlocksSupplier{Captured=0}              */
/*     - Name: CapturedEntities                                  */
/*       Object: CapturedEntitiesSupplier{Captured=0}            */
/*   - Phase: GeneralGenerationPhaseState{id=TERRAIN_GENERATION} */
/*     Context:                                                  */
/*     - Name: CapturedBlocks                                    */
/*       Object: CapturedBlocksSupplier{Captured=0}              */
/*     - Name: CapturedEntities                                  */
/*       Object: CapturedEntitiesSupplier{Captured=0}            */
/*     - Name: World                                             */
/*       Object: WorldServer{LevelName=TROPICS, DimensionId=-127, DimensionType=tropicraft:tropics} */
/*   - Phase: GeneralGenerationPhaseState{id=TERRAIN_GENERATION} */
/*     Context:                                                  */
/*     - Name: Source                                            */
/*       Object: WorldServer{LevelName=TROPICS, DimensionId=-127, DimensionType=tropicraft:tropics} */
/*     - Name: World                                             */
/*       Object: WorldServer{LevelName=TROPICS, DimensionId=-127, DimensionType=tropicraft:tropics} */
/*     - Name: CapturedBlocks                                    */
/*       Object: CapturedBlocksSupplier{Captured=0}              */
/*     - Name: CapturedEntities                                  */
/*       Object: CapturedEntitiesSupplier{Captured=0}            */
/*****************************************************************/

Stacktrace:
	at net.minecraft.server.MinecraftServer.handler$onCrashReport$zhp000(MinecraftServer.java:3953)
	at net.minecraft.server.MinecraftServer.func_71230_b(MinecraftServer.java:829)
	at net.minecraft.server.dedicated.DedicatedServer.func_71230_b(DedicatedServer.java:361)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:503)
	at java.lang.Thread.run(Thread.java:748)