Massband v3.0.6-beta

[20:43:39] [Server thread/ERROR]: Could not pass event PlayerInteractEvent to Massband v3.0.6 beta
org.bukkit.event.EventException
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306) ~[spigot-1.11.2.jar:git-Spigot-3fb9445-6e3cec8]
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot-1.11.2.jar:git-Spigot-3fb9445-6e3cec8]
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [spigot-1.11.2.jar:git-Spigot-3fb9445-6e3cec8]
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [spigot-1.11.2.jar:git-Spigot-3fb9445-6e3cec8]
    at org.bukkit.craftbukkit.v1_11_R1.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:234) [spigot-1.11.2.jar:git-Spigot-3fb9445-6e3cec8]
    at org.bukkit.craftbukkit.v1_11_R1.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:201) [spigot-1.11.2.jar:git-Spigot-3fb9445-6e3cec8]
    at net.minecraft.server.v1_11_R1.BlockRedstoneOre.stepOn(BlockRedstoneOre.java:37) [spigot-1.11.2.jar:git-Spigot-3fb9445-6e3cec8]
    at net.minecraft.server.v1_11_R1.Entity.move(Entity.java:853) [spigot-1.11.2.jar:git-Spigot-3fb9445-6e3cec8]
    at net.minecraft.server.v1_11_R1.EntityLiving.g(EntityLiving.java:1762) [spigot-1.11.2.jar:git-Spigot-3fb9445-6e3cec8]
    at net.minecraft.server.v1_11_R1.EntityHuman.g(EntityHuman.java:1441) [spigot-1.11.2.jar:git-Spigot-3fb9445-6e3cec8]
    at net.citizensnpcs.nms.v1_11_R1.entity.EntityHumanNPC.g(EntityHumanNPC.java:233) [citizens-2.0.22-SNAPSHOT.jar:?]
    at net.citizensnpcs.nms.v1_11_R1.entity.EntityHumanNPC.A_(EntityHumanNPC.java:125) [citizens-2.0.22-SNAPSHOT.jar:?]
    at net.minecraft.server.v1_11_R1.World.entityJoinedWorld(World.java:1631) [spigot-1.11.2.jar:git-Spigot-3fb9445-6e3cec8]
    at net.minecraft.server.v1_11_R1.World.h(World.java:1606) [spigot-1.11.2.jar:git-Spigot-3fb9445-6e3cec8]
    at net.minecraft.server.v1_11_R1.WorldServer.l(WorldServer.java:641) [spigot-1.11.2.jar:git-Spigot-3fb9445-6e3cec8]
    at net.minecraft.server.v1_11_R1.World.tickEntities(World.java:1400) [spigot-1.11.2.jar:git-Spigot-3fb9445-6e3cec8]
    at net.minecraft.server.v1_11_R1.WorldServer.tickEntities(WorldServer.java:618) [spigot-1.11.2.jar:git-Spigot-3fb9445-6e3cec8]
    at net.minecraft.server.v1_11_R1.MinecraftServer.D(MinecraftServer.java:814) [spigot-1.11.2.jar:git-Spigot-3fb9445-6e3cec8]
    at net.minecraft.server.v1_11_R1.DedicatedServer.D(DedicatedServer.java:399) [spigot-1.11.2.jar:git-Spigot-3fb9445-6e3cec8]
    at net.minecraft.server.v1_11_R1.MinecraftServer.C(MinecraftServer.java:678) [spigot-1.11.2.jar:git-Spigot-3fb9445-6e3cec8]
    at net.minecraft.server.v1_11_R1.MinecraftServer.run(MinecraftServer.java:576) [spigot-1.11.2.jar:git-Spigot-3fb9445-6e3cec8]
    at java.lang.Thread.run(Thread.java:748) [?:1.8.0_151]
Caused by: java.lang.NullPointerException
    at net.icelane.massband.core.Massband.interact(Massband.java:98) ~[Massband-3.0.6-SNAPSHOT.jar:?]
    at net.icelane.massband.event.PlayerEvents.onPlayerInteract(PlayerEvents.java:51) ~[Massband-3.0.6-SNAPSHOT.jar:?]
    at sun.reflect.GeneratedMethodAccessor518.invoke(Unknown Source) ~[?:?]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_151]
    at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_151]
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302) ~[spigot-1.11.2.jar:git-Spigot-3fb9445-6e3cec8]
    ... 21 more