10:44:01 [INFO] Joymo [/81.207.132.187:35260] logged in with entity id 3 at ([world] -12.5, 65.62000000476837, -54.5)
10:44:18 [SEVERE] null
org.bukkit.command.CommandException: Unhandled exception executing command 'shop' in plugin DynamicMarket v0.5.3
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:37)
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:129)
        at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:298)
        at net.minecraft.server.NetServerHandler.handleCommand(NetServerHandler.java:711)
        at net.minecraft.server.NetServerHandler.chat(NetServerHandler.java:676)
        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:669)
        at net.minecraft.server.Packet3Chat.a(Packet3Chat.java:33)
        at net.minecraft.server.NetworkManager.b(NetworkManager.java:226)
        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:84)
        at net.minecraft.server.NetworkListenThread.a(SourceFile:105)
        at net.minecraft.server.MinecraftServer.h(MinecraftServer.java:451)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:361)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:422)
Caused by: java.lang.NullPointerException
        at com.gmail.haloinverse.DynamicMarket.MarketItem.infoStringBuy(MarketItem.java:634)
        at com.gmail.haloinverse.DynamicMarket.iListen.shopShowItemInfo(iListen.java:464)
        at com.gmail.haloinverse.DynamicMarket.iListen.parseCommand(iListen.java:867)
        at com.gmail.haloinverse.DynamicMarket.DynamicMarket.onCommand(DynamicMarket.java:194)
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:35)
        ... 12 more