[13:19:56] [Server thread/INFO]: [InsanityRun] Disabling InsanityRun v2.3
[13:19:56] [Server thread/ERROR]: Error occurred while disabling InsanityRun v2.3 (Is it up to date?)
java.lang.NoClassDefFoundError: org/bukkit/craftbukkit/v1_7_R1/scheduler/CraftScheduler$5
	at org.bukkit.craftbukkit.v1_7_R1.scheduler.CraftScheduler.cancelAllTasks(CraftScheduler.java:236) ~[spigot-1.7.jar:git-Spigot-1176]
	at com.obsidianloft.insanityrun.InsanityRun.onDisable(InsanityRun.java:116) ~[?:?]
	at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:219) ~[spigot-1.7.jar:git-Spigot-1176]
	at org.bukkit.plugin.java.JavaPluginLoader.disablePlugin(JavaPluginLoader.java:481) [spigot-1.7.jar:git-Spigot-1176]
	at org.bukkit.plugin.SimplePluginManager.disablePlugin(SimplePluginManager.java:401) [spigot-1.7.jar:git-Spigot-1176]
	at org.bukkit.plugin.SimplePluginManager.disablePlugins(SimplePluginManager.java:394) [spigot-1.7.jar:git-Spigot-1176]
	at org.bukkit.craftbukkit.v1_7_R1.CraftServer.disablePlugins(CraftServer.java:297) [spigot-1.7.jar:git-Spigot-1176]
	at net.minecraft.server.v1_7_R1.MinecraftServer.stop(MinecraftServer.java:377) [spigot-1.7.jar:git-Spigot-1176]
	at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:473) [spigot-1.7.jar:git-Spigot-1176]
	at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [spigot-1.7.jar:git-Spigot-1176]
Caused by: java.lang.ClassNotFoundException: org.bukkit.craftbukkit.v1_7_R1.scheduler.CraftScheduler$5
	at java.net.URLClassLoader$1.run(Unknown Source) ~[?:1.7.0_17]
	at java.net.URLClassLoader$1.run(Unknown Source) ~[?:1.7.0_17]
	at java.security.AccessController.doPrivileged(Native Method) ~[?:1.7.0_17]
	at java.net.URLClassLoader.findClass(Unknown Source) ~[?:1.7.0_17]
	at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.7.0_17]
	at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) ~[?:1.7.0_17]
	at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.7.0_17]
	... 10 more