org.bukkit.command.CommandException: Unhandled exception executing command 'ca' in plugin CrazyAuctions v1.2.10

    at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[PluginCommand.class:Personal-289f343]

    at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141) ~[SimpleCommandMap.class:Personal-289f343]

    at org.bukkit.craftbukkit.v1_12_R1.CraftServer.dispatchCommand(CraftServer.java:700) ~[CraftServer.class:Personal-289f343]

    at net.minecraft.network.NetHandlerPlayServer.func_147361_d(NetHandlerPlayServer.java:1591) [pa.class:?]

    at net.minecraft.network.NetHandlerPlayServer.func_147354_a(NetHandlerPlayServer.java:1436) [pa.class:?]

    at net.minecraft.network.play.client.CPacketChatMessage.func_148833_a(SourceFile:37) [la.class:?]

    at net.minecraft.network.play.client.CPacketChatMessage.func_148833_a(SourceFile:9) [la.class:?]

    at net.minecraft.network.PacketThreadUtil$1.run(SourceFile:13) [hv$1.class:?]

    at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.8.0_291]

    at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.8.0_291]

    at net.minecraft.util.Util.func_181617_a(Util.java:50) [h.class:?]

    at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:842) [MinecraftServer.class:?]

    at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:472) [nz.class:?]

    at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:779) [MinecraftServer.class:?]

    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:633) [MinecraftServer.class:?]

    at java.lang.Thread.run(Unknown Source) [?:1.8.0_291]

Caused by: java.lang.NullPointerException

    at org.bukkit.ChatColor.translateAlternateColorCodes(ChatColor.java:324) ~[ChatColor.class:Personal-289f343]

    at me.badbones69.crazyauctions.Methods.color(Methods.java:27) ~[?:?]

    at me.badbones69.crazyauctions.controllers.GUI.openShop(GUI.java:117) ~[?:?]

    at me.badbones69.crazyauctions.Main.onCommand(Main.java:69) ~[?:?]

    at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[PluginCommand.class:Personal-289f343]

    ... 15 more