[09:29:14 INFO]: PTsandro issued server command: /health
[09:29:14 ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'health' in plugin Disease v0.2
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[spigot_vgbin.jar:git-Spigot-9a88a38-e2c4f20]
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:181) ~[spigot_vgbin.jar:git-Spigot-9a88a38-e2c4f20]
at org.bukkit.craftbukkit.v1_8_R1.CraftServer.dispatchCommand(CraftServer.java:643) ~[spigot_vgbin.jar:git-Spigot-9a88a38-e2c4f20]
at net.minecraft.server.v1_8_R1.PlayerConnection.handleCommand(PlayerConnection.java:1083) [spigot_vgbin.jar:git-Spigot-9a88a38-e2c4f20]
at net.minecraft.server.v1_8_R1.PlayerConnection.a(PlayerConnection.java:918) [spigot_vgbin.jar:git-Spigot-9a88a38-e2c4f20]
at net.minecraft.server.v1_8_R1.PacketPlayInChat.a(PacketPlayInChat.java:26) [spigot_vgbin.jar:git-Spigot-9a88a38-e2c4f20]
at net.minecraft.server.v1_8_R1.PacketPlayInChat.a(PacketPlayInChat.java:53) [spigot_vgbin.jar:git-Spigot-9a88a38-e2c4f20]
at net.minecraft.server.v1_8_R1.PacketHandleTask.run(SourceFile:13) [spigot_vgbin.jar:git-Spigot-9a88a38-e2c4f20]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) [?:1.7.0_25]
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) [?:1.7.0_25]
at java.util.concurrent.FutureTask.run(FutureTask.java:166) [?:1.7.0_25]
at net.minecraft.server.v1_8_R1.MinecraftServer.z(MinecraftServer.java:683) [spigot_vgbin.jar:git-Spigot-9a88a38-e2c4f20]
at net.minecraft.server.v1_8_R1.DedicatedServer.z(DedicatedServer.java:316) [spigot_vgbin.jar:git-Spigot-9a88a38-e2c4f20]
at net.minecraft.server.v1_8_R1.MinecraftServer.y(MinecraftServer.java:623) [spigot_vgbin.jar:git-Spigot-9a88a38-e2c4f20]
at net.minecraft.server.v1_8_R1.MinecraftServer.run(MinecraftServer.java:526) [spigot_vgbin.jar:git-Spigot-9a88a38-e2c4f20]
at java.lang.Thread.run(Thread.java:724) [?:1.7.0_25]
Caused by: java.lang.NullPointerException
at com.hmmcrunchy.disease.DiseaseTypes.isContagious(DiseaseTypes.java:63) ~[?:?]
at com.hmmcrunchy.disease.Disease.checkHealth(Disease.java:1037) ~[?:?]
at com.hmmcrunchy.disease.Disease.onCommand(Disease.java:1023) ~[?:?]
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[spigot_vgbin.jar:git-Spigot-9a88a38-e2c4f20]
... 15 more