org.bukkit.command.CommandException: Unhandled exception executing command 'ad' in plugin ShopAds2 v0.8
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:42)
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:166)
	at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:473)
	at net.minecraft.server.NetServerHandler.handleCommand(NetServerHandler.java:821)
	at net.minecraft.server.NetServerHandler.chat(NetServerHandler.java:781)
	at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:764)
	at net.minecraft.server.Packet3Chat.handle(Packet3Chat.java:34)
	at net.minecraft.server.NetworkManager.b(NetworkManager.java:229)
	at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:113)
	at net.minecraft.server.NetworkListenThread.a(NetworkListenThread.java:78)
	at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:551)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:449)
	at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)
Caused by: java.lang.NullPointerException
	at org.hpiz.ShopAds2.Command.ShopAdsCommand.create(ShopAdsCommand.java:250)
	at org.hpiz.ShopAds2.Command.ShopAdsCommand.playerCommand(ShopAdsCommand.java:81)
	at org.hpiz.ShopAds2.Command.ShopAdsCommand.onCommand(ShopAdsCommand.java:30)
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:40)
	... 12 more