12:05:39 AM [SEVERE] You need to update your database to the latest version.
Please see region_storage_update_20110325.sql
12:05:39 AM [SEVERE]at com.sk89q.worldguard.protection.databases.MySQLDatabase.<init>(MySQLDatabase.java:79)
12:05:39 AM [SEVERE]at com.sk89q.worldguard.protection.GlobalRegionManager.create(GlobalRegionManager.java:155)
12:05:39 AM [SEVERE]at com.sk89q.worldguard.protection.GlobalRegionManager.load(GlobalRegionManager.java:130)
12:05:39 AM [SEVERE]at com.sk89q.worldguard.protection.GlobalRegionManager.preload(GlobalRegionManager.java:194)
12:05:39 AM [SEVERE]at com.sk89q.worldguard.bukkit.WorldGuardPlugin.onEnable(WorldGuardPlugin.java:149)
12:05:39 AM [SEVERE]at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:217)
12:05:39 AM [SEVERE]at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:457)
12:05:39 AM [SEVERE]at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:383)
12:05:39 AM [SEVERE]at org.bukkit.craftbukkit.v1_5_R2.CraftServer.loadPlugin(CraftServer.java:305)
12:05:39 AM [SEVERE]at org.bukkit.craftbukkit.v1_5_R2.CraftServer.enablePlugins(CraftServer.java:287)
12:05:39 AM [SEVERE]at net.minecraft.server.v1_5_R2.MinecraftServer.j(MinecraftServer.java:309)
12:05:39 AM [SEVERE]at net.minecraft.server.v1_5_R2.MinecraftServer.e(MinecraftServer.java:288)
12:05:39 AM [SEVERE]at net.minecraft.server.v1_5_R2.MinecraftServer.a(MinecraftServer.java:248)
12:05:39 AM [SEVERE]at net.minecraft.server.v1_5_R2.DedicatedServer.init(DedicatedServer.java:154)
12:05:39 AM [SEVERE]at net.minecraft.server.v1_5_R2.MinecraftServer.run(MinecraftServer.java:387)
12:05:39 AM [SEVERE]at net.minecraft.server.v1_5_R2.ThreadServerApplication.run(SourceFile:573)