... 14 more
17:50:22 [SEVERE] null
org.bukkit.command.CommandException: Unhandled exception executing command 'skil
l' in plugin Heroes v1.4.7-b1345
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:42)
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:16
6)
        at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:5
99)
        at net.minecraft.server.NetServerHandler.handleCommand(NetServerHandler.
java:818)
        at net.minecraft.server.NetServerHandler.chat(NetServerHandler.java:778)

        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:761)
        at org.getspout.spout.SpoutNetServerHandler.a(SpoutNetServerHandler.java
:103)
        at net.minecraft.server.Packet3Chat.handle(Packet3Chat.java:33)
        at net.minecraft.server.NetworkManager.b(NetworkManager.java:229)
        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:112)
        at org.getspout.spout.SpoutNetServerHandler.a(SpoutNetServerHandler.java
:169)
        at net.minecraft.server.NetworkListenThread.a(NetworkListenThread.java:8
5)
        at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:624)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:508)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:490)
Caused by: java.lang.IncompatibleClassChangeError: Expecting non-static method c
om.herocraftonline.heroes.characters.skill.skills.SkillSlow.damageCheck(Lorg/buk
kit/entity/Player;Lorg/bukkit/entity/LivingEntity;)Z
        at com.herocraftonline.heroes.characters.skill.skills.SkillSlow.use(Skil
lSlow.java:112)
        at com.herocraftonline.heroes.characters.skill.TargettedSkill.use(Target
tedSkill.java:124)
        at com.herocraftonline.heroes.characters.skill.ActiveSkill.execute(Activ
eSkill.java:213)
        at com.herocraftonline.heroes.command.CommandHandler.dispatch(CommandHan
dler.java:69)
        at com.herocraftonline.heroes.Heroes.onCommand(Heroes.java:173)
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:40)
        ... 14 more