[04:58:10] [Server thread/INFO]: Aberzhulan issued server command: /edit 1! &c1
[04:58:10] [Server thread/ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'edit' in plugin SignEditor v1.07
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[spigot188.jar:git-Spigot-d97e08b-880a532]
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141) ~[spigot188.jar:git-Spigot-d97e08b-880a532]
	at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchCommand(CraftServer.java:641) ~[spigot188.jar:git-Spigot-d97e08b-880a532]
	at net.minecraft.server.v1_8_R3.PlayerConnection.handleCommand(PlayerConnection.java:1162) [spigot188.jar:git-Spigot-d97e08b-880a532]
	at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:997) [spigot188.jar:git-Spigot-d97e08b-880a532]
	at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:45) [spigot188.jar:git-Spigot-d97e08b-880a532]
	at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:1) [spigot188.jar:git-Spigot-d97e08b-880a532]
	at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) [spigot188.jar:git-Spigot-d97e08b-880a532]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_60]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_60]
	at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:44) [spigot188.jar:git-Spigot-d97e08b-880a532]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:714) [spigot188.jar:git-Spigot-d97e08b-880a532]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374) [spigot188.jar:git-Spigot-d97e08b-880a532]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:653) [spigot188.jar:git-Spigot-d97e08b-880a532]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:556) [spigot188.jar:git-Spigot-d97e08b-880a532]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_60]
Caused by: java.lang.ClassCastException: org.bukkit.material.MaterialData cannot be cast to org.bukkit.material.Attachable
	at me.meiamsome.signeditor.SignEditor.onCommand(SignEditor.java:229) ~[?:?]
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[spigot188.jar:git-Spigot-d97e08b-880a532]
	... 15 more