[14:35:55] [Server thread/ERROR]: Error occurred while disabling IndividualMessages v0.1.3 (Is it up to date?)
java.lang.NullPointerException
	at com.empcraft.individualmessages.IndividualMessages.onDisable(IndividualMessages.java:599) ~[?:?]
	at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:252) ~[spigot-1.7.2-R0.4-SNAPSHOT.jar:git-Spigot-1.7.2-R0.3-122-gb58e277]
	at org.bukkit.plugin.java.JavaPluginLoader.disablePlugin(JavaPluginLoader.java:374) [spigot-1.7.2-R0.4-SNAPSHOT.jar:git-Spigot-1.7.2-R0.3-122-gb58e277]
	at org.bukkit.plugin.SimplePluginManager.disablePlugin(SimplePluginManager.java:409) [spigot-1.7.2-R0.4-SNAPSHOT.jar:git-Spigot-1.7.2-R0.3-122-gb58e277]
	at org.bukkit.plugin.SimplePluginManager.disablePlugins(SimplePluginManager.java:402) [spigot-1.7.2-R0.4-SNAPSHOT.jar:git-Spigot-1.7.2-R0.3-122-gb58e277]
	at org.bukkit.craftbukkit.v1_7_R1.CraftServer.disablePlugins(CraftServer.java:398) [spigot-1.7.2-R0.4-SNAPSHOT.jar:git-Spigot-1.7.2-R0.3-122-gb58e277]
	at net.minecraft.server.v1_7_R1.MinecraftServer.stop(MinecraftServer.java:381) [spigot-1.7.2-R0.4-SNAPSHOT.jar:git-Spigot-1.7.2-R0.3-122-gb58e277]
	at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:504) [spigot-1.7.2-R0.4-SNAPSHOT.jar:git-Spigot-1.7.2-R0.3-122-gb58e277]
	at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [spigot-1.7.2-R0.4-SNAPSHOT.jar:git-Spigot-1.7.2-R0.3-122-gb58e277]