Startup with WorldGuard and without Towny

[16:51:55] [Server thread/INFO]: Starting minecraft server version 1.8
[16:51:55] [Server thread/INFO]: Loading properties
[16:51:55] [Server thread/INFO]: Default game type: SURVIVAL
[16:51:56] [Server thread/INFO]: This server is running CraftBukkit version git-Spigot-da32fe1-2ba7357 (MC: 1.8) (Implementing API version 1.8-R0.1-SNAPSHOT)
[16:51:56] [Server thread/INFO]: Debug logging is disabled
[16:51:56] [Server thread/INFO]: Server Ping Player Sample Count: 12
[16:51:56] [Server thread/INFO]: Using 4 threads for Netty based IO
[16:51:56] [Server thread/INFO]: Generating keypair
[16:51:56] [Server thread/INFO]: Starting Minecraft server on 192.168.1.222:25565
[16:51:58] [Server thread/INFO]: Set PluginClassLoader as parallel capable
[16:51:58] [Server thread/ERROR]: Could not load 'plugins\MysteryCrates.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.NoClassDefFoundError: com/palmergames/bukkit/towny/exceptions/NotRegisteredException
	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:135) ~[spigot-1.8-R0.1-SNAPSHOT.jar:git-Spigot-da32fe1-2ba7357]
	at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:329) ~[spigot-1.8-R0.1-SNAPSHOT.jar:git-Spigot-da32fe1-2ba7357]
	at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:251) [spigot-1.8-R0.1-SNAPSHOT.jar:git-Spigot-da32fe1-2ba7357]
	at org.bukkit.craftbukkit.v1_8_R1.CraftServer.loadPlugins(CraftServer.java:288) [spigot-1.8-R0.1-SNAPSHOT.jar:git-Spigot-da32fe1-2ba7357]
	at net.minecraft.server.v1_8_R1.DedicatedServer.init(DedicatedServer.java:152) [spigot-1.8-R0.1-SNAPSHOT.jar:git-Spigot-da32fe1-2ba7357]
	at net.minecraft.server.v1_8_R1.MinecraftServer.run(MinecraftServer.java:494) [spigot-1.8-R0.1-SNAPSHOT.jar:git-Spigot-da32fe1-2ba7357]
	at java.lang.Thread.run(Unknown Source) [?:1.8.0_25]
Caused by: java.lang.NoClassDefFoundError: com/palmergames/bukkit/towny/exceptions/NotRegisteredException
	at java.lang.Class.forName0(Native Method) ~[?:1.8.0_25]
	at java.lang.Class.forName(Unknown Source) ~[?:1.8.0_25]
	at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:64) ~[spigot-1.8-R0.1-SNAPSHOT.jar:git-Spigot-da32fe1-2ba7357]
	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:131) ~[spigot-1.8-R0.1-SNAPSHOT.jar:git-Spigot-da32fe1-2ba7357]
	... 6 more
Caused by: java.lang.ClassNotFoundException: com.palmergames.bukkit.towny.exceptions.NotRegisteredException
	at java.net.URLClassLoader$1.run(Unknown Source) ~[?:1.8.0_25]
	at java.net.URLClassLoader$1.run(Unknown Source) ~[?:1.8.0_25]
	at java.security.AccessController.doPrivileged(Native Method) ~[?:1.8.0_25]
	at java.net.URLClassLoader.findClass(Unknown Source) ~[?:1.8.0_25]
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:101) ~[spigot-1.8-R0.1-SNAPSHOT.jar:git-Spigot-da32fe1-2ba7357]
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:86) ~[spigot-1.8-R0.1-SNAPSHOT.jar:git-Spigot-da32fe1-2ba7357]
	at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_25]
	at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_25]
	at java.lang.Class.forName0(Native Method) ~[?:1.8.0_25]
	at java.lang.Class.forName(Unknown Source) ~[?:1.8.0_25]
	at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:64) ~[spigot-1.8-R0.1-SNAPSHOT.jar:git-Spigot-da32fe1-2ba7357]
	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:131) ~[spigot-1.8-R0.1-SNAPSHOT.jar:git-Spigot-da32fe1-2ba7357]
	... 6 more