Что тут не так?

[19:32:52] [Server thread/INFO]: Starting minecraft server version 1.8.8
[19:32:52] [Server thread/INFO]: Loading properties
[19:32:52] [Server thread/INFO]: Default game type: SURVIVAL
[19:32:53] [Server thread/INFO]: This server is running CraftBukkit version git-Spigot-5f38d38-18fbb24 (MC: 1.8.8) (Implementing API version 1.8.8-R0.1-SNAPSHOT)
[19:32:54] [Server thread/WARN]: Couldn't load server icon
java.lang.IllegalArgumentException: Must be 64 pixels wide
at org.apache.commons.lang.Validate.isTrue(Validate.java:136) ~[server.jar:git-Spigot-5f38d38-18fbb24]
at org.bukkit.craftbukkit.v1_8_R3.CraftServer.loadServerIcon0(CraftServer.java:1672) ~[server.jar:git-Spigot-5f38d38-18fbb24]
at org.bukkit.craftbukkit.v1_8_R3.CraftServer.loadServerIcon0(CraftServer.java:1660) ~[server.jar:git-Spigot-5f38d38-18fbb24]
at org.bukkit.craftbukkit.v1_8_R3.CraftServer.loadIcon(CraftServer.java:749) [server.jar:git-Spigot-5f38d38-18fbb24]
at org.bukkit.craftbukkit.v1_8_R3.CraftServer.(CraftServer.java:250) [server.jar:git-Spigot-5f38d38-18fbb24]
at net.minecraft.server.v1_8_R3.PlayerList.(PlayerList.java:71) [server.jar:git-Spigot-5f38d38-18fbb24]
at net.minecraft.server.v1_8_R3.DedicatedPlayerList.(SourceFile:14) [server.jar:git-Spigot-5f38d38-18fbb24]
at net.minecraft.server.v1_8_R3.DedicatedServer.init(DedicatedServer.java:176) [server.jar:git-Spigot-5f38d38-18fbb24]
at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:525) [server.jar:git-Spigot-5f38d38-18fbb24]
at java.lang.Thread.run(Thread.java:745) [?:1.8.0_101]
[19:32:54] [Server thread/INFO]: Using 8 threads for Netty based IO
[19:32:54] [Server thread/INFO]: Server Ping Player Sample Count: 12
[19:32:54] [Server thread/WARN]: *** WARNING *** stats.disable-saving is true but stats.forced-stats.achievement.openInventory isn't set to 1. Disabling stat saving without forcing the achievement may cause it to get stuck on the player's screen.
[19:32:54] [Server thread/INFO]: Debug logging is disabled
[19:32:55] [Server thread/INFO]: Generating keypair
[19:32:56] [Server thread/INFO]: Starting Minecraft server on 178.32.99.95:25944
[19:32:57] [Server thread/INFO]: Using epoll channel type
[19:32:58] [Server thread/INFO]: Set PluginClassLoader as parallel capable
[19:32:58] [Server thread/ERROR]: Could not load 'plugins/LimitedWE.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.NoClassDefFoundError: com/sk89q/minecraft/util/commands/CommandException
at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:135) ~[server.jar:git-Spigot-5f38d38-18fbb24]
at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:329) ~[server.jar:git-Spigot-5f38d38-18fbb24]
at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:251) [server.jar:git-Spigot-5f38d38-18fbb24]
at org.bukkit.craftbukkit.v1_8_R3.CraftServer.loadPlugins(CraftServer.java:292) [server.jar:git-Spigot-5f38d38-18fbb24]
at net.minecraft.server.v1_8_R3.DedicatedServer.init(DedicatedServer.java:198) [server.jar:git-Spigot-5f38d38-18fbb24]
at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:525) [server.jar:git-Spigot-5f38d38-18fbb24]
at java.lang.Thread.run(Thread.java:745) [?:1.8.0_101]
Caused by: java.lang.NoClassDefFoundError: com/sk89q/minecraft/util/commands/CommandException
at java.lang.Class.forName0(Native Method) ~[?:1.8.0_101]
at java.lang.Class.forName(Class.java:348) ~[?:1.8.0_101]
at org.bukkit.plugin.java.PluginClassLoader.(PluginClassLoader.java:64) ~[server.jar:git-Spigot-5f38d38-18fbb24]
at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:131) ~[server.jar:git-Spigot-5f38d38-18fbb24]
... 6 more
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