[20:53:40 WARN]: [WorldEdit] No compatible nms block class found.
[20:53:40 ERROR]: Encountered an unexpected exception
java.lang.NullPointerException
at ch.k42.metropolis.grid.urbanGrid.clipboard.ClipboardWE.place(ClipboardWE.java:143) ~[?:?]
at ch.k42.metropolis.grid.urbanGrid.clipboard.ClipboardWE.paste(ClipboardWE.java:64) ~[?:?]
at ch.k42.metropolis.grid.urbanGrid.parcel.HighwayParcel.findAndPlaceClip(HighwayParcel.java:82) ~[?:
?]
at ch.k42.metropolis.grid.urbanGrid.parcel.HighwayParcel.populate(HighwayParcel.java:52) ~[?:?]
at ch.k42.metropolis.grid.urbanGrid.UrbanGrid.populate(UrbanGrid.java:104) ~[?:?]
at ch.k42.metropolis.generator.MetropolisGenerator$MetropolisBlockPopulator.populate(MetropolisGenera
tor.java:44) ~[?:?]
at net.minecraft.server.v1_7_R4.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:285) ~[spigot
-1.7.10-b1657.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
at net.minecraft.server.v1_7_R4.Chunk.loadNearby(Chunk.java:926) ~[spigot-1.7.10-b1657.jar:git-Spigot
-1.7.9-R0.2-208-ge0f2e95]
at org.bukkit.craftbukkit.v1_7_R4.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:68) ~[spigo
t-1.7.10-b1657.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
at org.bukkit.craftbukkit.v1_7_R4.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:13) ~[spigo
t-1.7.10-b1657.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
at org.bukkit.craftbukkit.v1_7_R4.util.AsynchronousExecutor$Task.finish(AsynchronousExecutor.java:188
) ~[spigot-1.7.10-b1657.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
at org.bukkit.craftbukkit.v1_7_R4.util.AsynchronousExecutor.finishActive(AsynchronousExecutor.java:34
7) ~[spigot-1.7.10-b1657.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
at org.bukkit.craftbukkit.v1_7_R4.chunkio.ChunkIOExecutor.tick(ChunkIOExecutor.java:34) ~[spigot-1.7.
10-b1657.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
at net.minecraft.server.v1_7_R4.MinecraftServer.v(MinecraftServer.java:652) ~[spigot-1.7.10-b1657.jar
:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
at net.minecraft.server.v1_7_R4.DedicatedServer.v(DedicatedServer.java:289) ~[spigot-1.7.10-b1657.jar
:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
at net.minecraft.server.v1_7_R4.MinecraftServer.u(MinecraftServer.java:584) ~[spigot-1.7.10-b1657.jar
:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
at net.minecraft.server.v1_7_R4.MinecraftServer.run(MinecraftServer.java:490) [spigot-1.7.10-b1657.ja
r:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
at net.minecraft.server.v1_7_R4.ThreadServerApplication.run(SourceFile:628) [spigot-1.7.10-b1657.jar:
git-Spigot-1.7.9-R0.2-208-ge0f2e95]
[20:53:40 ERROR]: This crash report has been saved to: /home/minecraft/sandbox/./crash-reports/crash-2014-11-
25_20.53.40-server.txt