[19:09:22 FATAL]: Error executing task
java.util.concurrent.ExecutionException: java.lang.NullPointerException
        at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[?:1.8.0_151]
        at java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[?:1.8.0_151]
        at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:45) [spigot.jar:git-TacoSpigot-"c98afce0"]
        at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:776) [spigot.jar:git-TacoSpigot-"c98afce0"]
        at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:378) [spigot.jar:git-TacoSpigot-"c98afce0"]
        at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:715) [spigot.jar:git-TacoSpigot-"c98afce0"]
        at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:618) [spigot.jar:git-TacoSpigot-"c98afce0"]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_151]
Caused by: java.lang.NullPointerException
        at net.minecraft.server.v1_8_R3.PlayerInteractManager.useItem(PlayerInteractManager.java:384) ~[spigot.jar:git-TacoSpigot-"c98afce0"]
        at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:734) ~[spigot.jar:git-TacoSpigot-"c98afce0"]
        at net.minecraft.server.v1_8_R3.PacketPlayInBlockPlace.a(PacketPlayInBlockPlace.java:52) ~[spigot.jar:git-TacoSpigot-"c98afce0"]
        at net.minecraft.server.v1_8_R3.PacketPlayInBlockPlace.a(PacketPlayInBlockPlace.java:1) ~[spigot.jar:git-TacoSpigot-"c98afce0"]
        at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) ~[spigot.jar:git-TacoSpigot-"c98afce0"]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_151]
        at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_151]
        at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:44) ~[spigot.jar:git-TacoSpigot-"c98afce0"]
        ... 5 more