>shopkeepers reload
[11:38:33 WARN]: Unexpected exception while parsing console command "shopkeepers reload"
org.bukkit.command.CommandException: Unhandled exception executing command 'shopkeepers' in plugin Shopkeepers v1.16-beta
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[craftbukkit.jar:git-Spigot-1176]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:192) ~[craftbukkit.jar:git-Spigot-1176]
        at org.bukkit.craftbukkit.v1_7_R1.CraftServer.dispatchCommand(CraftServer.java:546) ~[craftbukkit.jar:git-Spigot-1176]
        at org.bukkit.craftbukkit.v1_7_R1.CraftServer.dispatchServerCommand(CraftServer.java:533) [craftbukkit.jar:git-Spigot-1176]
        at net.minecraft.server.v1_7_R1.DedicatedServer.aw(DedicatedServer.java:295) [craftbukkit.jar:git-Spigot-1176]
        at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:260) [craftbukkit.jar:git-Spigot-1176]
        at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:530) [craftbukkit.jar:git-Spigot-1176]
        at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:442) [craftbukkit.jar:git-Spigot-1176]
        at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [craftbukkit.jar:git-Spigot-1176]
Caused by: java.lang.NullPointerException
        at com.nisovin.shopkeepers.volatilecode.VolatileCode_1_7_R1.saveItemAttributesToString(VolatileCode_1_7_R1.java:156) ~[?:?]
        at com.nisovin.shopkeepers.shoptypes.TradingPlayerShopkeeper.save(TradingPlayerShopkeeper.java:75) ~[?:?]
        at com.nisovin.shopkeepers.ShopkeepersPlugin.saveReal(ShopkeepersPlugin.java:901) ~[?:?]
        at com.nisovin.shopkeepers.ShopkeepersPlugin.onDisable(ShopkeepersPlugin.java:240) ~[?:?]
        at com.nisovin.shopkeepers.ShopkeepersPlugin.reload(ShopkeepersPlugin.java:280) ~[?:?]
        at com.nisovin.shopkeepers.ShopkeepersPlugin.onCommand(ShopkeepersPlugin.java:288) ~[?:?]
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[craftbukkit.jar:git-Spigot-1176]
        ... 8 more