[15:48:24] [Server thread/WARN]: [PrisonAutoMiner] Task #266540 for PrisonAutoMiner v1.0.0 generated an exception
java.lang.NullPointerException
	at me.mylogo.prisonautominer.miner.ActiveMiner.update(ActiveMiner.java:187) ~[?:?]
	at me.mylogo.prisonautominer.miner.ActiveMiner.access$000(ActiveMiner.java:44) ~[?:?]
	at me.mylogo.prisonautominer.miner.ActiveMiner$1.run(ActiveMiner.java:68) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:59) ~[Prison.jar:git-PaperSpigot-"4c7641d"]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:352) [Prison.jar:git-PaperSpigot-"4c7641d"]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:783) [Prison.jar:git-PaperSpigot-"4c7641d"]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:378) [Prison.jar:git-PaperSpigot-"4c7641d"]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:713) [Prison.jar:git-PaperSpigot-"4c7641d"]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:616) [Prison.jar:git-PaperSpigot-"4c7641d"]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_201]