06.01 10:52:30 [Server] INFO commedore64 issued server command: /don
06.01 10:52:45 [Server] WARN [DoubleOrNothing] Task #288 for DoubleOrNothing v0.0.1 generated an exception
06.01 10:52:45 [Server] INFO java.lang.NullPointerException
06.01 10:52:45 [Server] INFO at nl.timdebrouwer.doubleornothing.ConversationHandler$1.getPrefix(ConversationHandler.java:28) ~[?:?]
06.01 10:52:45 [Server] INFO at org.bukkit.conversations.Conversation.outputNextPrompt(Conversation.java:291) ~[minecraft_server.jar:git-Spigot-7d78b81-d5e7885]
06.01 10:52:45 [Server] INFO at org.bukkit.craftbukkit.v1_11_R1.conversations.ConversationTracker.abandonConversation(ConversationTracker.java:38) ~[minecraft_server.jar:git-Spigot-7d78b81-d5e7885]
06.01 10:52:45 [Server] INFO at org.bukkit.craftbukkit.v1_11_R1.entity.CraftPlayer.abandonConversation(CraftPlayer.java:1056) ~[minecraft_server.jar:git-Spigot-7d78b81-d5e7885]
06.01 10:52:45 [Server] INFO at org.bukkit.conversations.Conversation.abandon(Conversation.java:276) ~[minecraft_server.jar:git-Spigot-7d78b81-d5e7885]
06.01 10:52:45 [Server] INFO at org.bukkit.conversations.InactivityConversationCanceller$1.run(InactivityConversationCanceller.java:53) ~[minecraft_server.jar:git-Spigot-7d78b81-d5e7885]
06.01 10:52:45 [Server] INFO at org.bukkit.craftbukkit.v1_11_R1.scheduler.CraftTask.run(CraftTask.java:71) ~[minecraft_server.jar:git-Spigot-7d78b81-d5e7885]
06.01 10:52:45 [Server] INFO at org.bukkit.craftbukkit.v1_11_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:353) [minecraft_server.jar:git-Spigot-7d78b81-d5e7885]
06.01 10:52:45 [Server] INFO at net.minecraft.server.v1_11_R1.MinecraftServer.D(MinecraftServer.java:730) [minecraft_server.jar:git-Spigot-7d78b81-d5e7885]
06.01 10:52:45 [Server] INFO at net.minecraft.server.v1_11_R1.DedicatedServer.D(DedicatedServer.java:399) [minecraft_server.jar:git-Spigot-7d78b81-d5e7885]
06.01 10:52:45 [Server] INFO at net.minecraft.server.v1_11_R1.MinecraftServer.C(MinecraftServer.java:675) [minecraft_server.jar:git-Spigot-7d78b81-d5e7885]
06.01 10:52:45 [Server] INFO at net.minecraft.server.v1_11_R1.MinecraftServer.run(MinecraftServer.java:574) [minecraft_server.jar:git-Spigot-7d78b81-d5e7885]
06.01 10:52:45 [Server] INFO at java.lang.Thread.run(Thread.java:745) [?:1.8.0_72]