[18:19:25] [Server thread/ERROR]: Could not pass event BlockBreakEvent to PrisonUtils v1.2.10
org.bukkit.event.EventException
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302) ~[minecraft_server.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[minecraft_server.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:509) [minecraft_server.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:494) [minecraft_server.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
at net.minecraft.server.v1_7_R4.PlayerInteractManager.breakBlock(PlayerInteractManager.java:264) [minecraft_server.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
at net.minecraft.server.v1_7_R4.PlayerInteractManager.a(PlayerInteractManager.java:192) [minecraft_server.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
at net.minecraft.server.v1_7_R4.PlayerConnection.a(PlayerConnection.java:565) [minecraft_server.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
at net.minecraft.server.v1_7_R4.PacketPlayInBlockDig.a(PacketPlayInBlockDig.java:41) [minecraft_server.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
at net.minecraft.server.v1_7_R4.PacketPlayInBlockDig.handle(PacketPlayInBlockDig.java:65) [minecraft_server.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
at net.minecraft.server.v1_7_R4.NetworkManager.a(NetworkManager.java:186) [minecraft_server.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
at net.minecraft.server.v1_7_R4.ServerConnection.c(ServerConnection.java:81) [minecraft_server.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
at net.minecraft.server.v1_7_R4.MinecraftServer.v(MinecraftServer.java:734) [minecraft_server.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
at net.minecraft.server.v1_7_R4.DedicatedServer.v(DedicatedServer.java:289) [minecraft_server.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
at net.minecraft.server.v1_7_R4.MinecraftServer.u(MinecraftServer.java:584) [minecraft_server.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
at net.minecraft.server.v1_7_R4.MinecraftServer.run(MinecraftServer.java:490) [minecraft_server.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
at net.minecraft.server.v1_7_R4.ThreadServerApplication.run(SourceFile:628) [minecraft_server.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
Caused by: java.lang.NullPointerException