01:36:42 [SCHWERWIEGEND] PLAYER_COMMAND loading SignEdit v1.4 (Is it up to date?)
java.lang.NoSuchFieldError: PLAYER_COMMAND
        at de.sp1rit.signedit.SignEdit.onEnable(SignEdit.java:29)
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:118)
        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:414)
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:187)
        at org.bukkit.craftbukkit.CraftServer.loadPlugin(CraftServer.java:83)
        at org.bukkit.craftbukkit.CraftServer.loadPlugins(CraftServer.java:61)
        at net.minecraft.server.MinecraftServer.e(MinecraftServer.java:204)
        at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:191)
        at net.minecraft.server.MinecraftServer.d(MinecraftServer.java:131)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:246)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:366)