Attempted to place a tile entity (mods.railcraft.common.blocks.tracks.TileTrackTESR@2e98d7) at 3787,73,-7920 (CHISEL_GRANITE) where there was no entity tile!
[10:01:20 INFO]: Chunk coordinates: 3776,-7920
[10:01:20 WARN]: java.lang.Exception
[10:01:20 WARN]:        at net.minecraft.world.chunk.Chunk.func_150812_a(Chunk.java:1017)
[10:01:20 WARN]:        at net.minecraft.world.World.func_147455_a(World.java:3271)
[10:01:20 WARN]:        at mods.railcraft.common.blocks.tracks.TrackTools.placeTrack(TrackTools.java:150)
[10:01:20 WARN]:        at mods.railcraft.common.worldgen.ComponentWorkshop.placeTrack(ComponentWorkshop.java:224)
[10:01:20 WARN]:        at mods.railcraft.common.worldgen.ComponentWorkshop.func_74875_a(ComponentWorkshop.java:85)
[10:01:20 WARN]:        at net.minecraft.world.gen.structure.StructureStart.func_75068_a(StructureStart.java:45)
[10:01:20 WARN]:        at net.minecraft.world.gen.structure.MapGenStructure.func_75051_a(MapGenStructure.java:93)
[10:01:20 WARN]:        at rtg.world.gen.ChunkProviderRTG.doPopulate(ChunkProviderRTG.java:742)
[10:01:20 WARN]:        at rtg.world.gen.ChunkProviderRTG.clearDecorations(ChunkProviderRTG.java:617)
[10:01:20 WARN]:        at rtg.world.gen.ChunkProviderRTG.func_73153_a(ChunkProviderRTG.java:580)
[10:01:20 WARN]:        at net.minecraft.world.gen.ChunkProviderServer.func_73153_a(ChunkProviderServer.java:442)
[10:01:20 WARN]:        at org.bukkit.craftbukkit.v1_7_R4.CraftWorld.chunkLoadPostProcess(CraftWorld.java:294)
[10:01:20 WARN]:        at org.bukkit.craftbukkit.v1_7_R4.CraftWorld.loadChunk(CraftWorld.java:273)
[10:01:20 WARN]:        at com.wimbli.WorldBorder.WorldFillTask.run(WorldFillTask.java:205)
[10:01:20 WARN]:        at org.bukkit.craftbukkit.v1_7_R4.scheduler.CraftTask.run(CraftTask.java:71)
[10:01:20 WARN]:        at org.bukkit.craftbukkit.v1_7_R4.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:346)
[10:01:20 WARN]:        at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:905)
[10:01:20 WARN]:        at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:432)
[10:01:20 WARN]:        at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:841)
[10:01:20 WARN]:        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:693)
[10:01:20 WARN]:        at java.lang.Thread.run(Thread.java:745)