MC: 1.8.7) (Implementing API version 1.8.7-R0.1-SNAPSHOT)
[10:52:51 ERROR]: Could not load 'plugins\Silly nicknames.jar' in folder 'plugin
s'
org.bukkit.plugin.InvalidDescriptionException: commands are of wrong type
        at org.bukkit.plugin.PluginDescriptionFile.loadMap(PluginDescriptionFile
.java:946) ~[craftbukkit-1.8.7.jar:git-Bukkit-a03743b]
        at org.bukkit.plugin.PluginDescriptionFile.<init>(PluginDescriptionFile.
java:232) ~[craftbukkit-1.8.7.jar:git-Bukkit-a03743b]
        at org.bukkit.plugin.java.JavaPluginLoader.getPluginDescription(JavaPlug
inLoader.java:157) ~[craftbukkit-1.8.7.jar:git-Bukkit-a03743b]
        at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager
.java:133) [craftbukkit-1.8.7.jar:git-Bukkit-a03743b]
        at org.bukkit.craftbukkit.v1_8_R3.CraftServer.loadPlugins(CraftServer.ja
va:288) [craftbukkit-1.8.7.jar:git-Bukkit-a03743b]
        at org.bukkit.craftbukkit.v1_8_R3.CraftServer.<init>(CraftServer.java:25
0) [craftbukkit-1.8.7.jar:git-Bukkit-a03743b]
        at net.minecraft.server.v1_8_R3.PlayerList.<init>(PlayerList.java:69) [c
raftbukkit-1.8.7.jar:git-Bukkit-a03743b]
        at net.minecraft.server.v1_8_R3.DedicatedPlayerList.<init>(SourceFile:14
) [craftbukkit-1.8.7.jar:git-Bukkit-a03743b]
        at net.minecraft.server.v1_8_R3.DedicatedServer.init(DedicatedServer.jav
a:179) [craftbukkit-1.8.7.jar:git-Bukkit-a03743b]
        at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java
:507) [craftbukkit-1.8.7.jar:git-Bukkit-a03743b]
        at java.lang.Thread.run(Unknown Source) [?:1.7.0_67]
Caused by: java.lang.ClassCastException: java.lang.String cannot be cast to java
.util.Map
        at org.bukkit.plugin.PluginDescriptionFile.loadMap(PluginDescriptionFile
.java:928) ~[craftbukkit-1.8.7.jar:git-Bukkit-a03743b]
        ... 10 more