Lois_Bois issued server command: /chests load
[20:04:59 ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'chests' in plugin LoisPlugin v1.0.0
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[spigot.jar:git-Bukkit-53fccdf]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:140) ~[spigot.jar:git-Bukkit-53fccdf]
        at org.bukkit.craftbukkit.v1_12_R1.CraftServer.dispatchCommand(CraftServer.java:631) ~[spigot.jar:git-Bukkit-53fccdf]
        at net.minecraft.server.v1_12_R1.PlayerConnection.handleCommand(PlayerConnection.java:1333) [spigot.jar:git-Bukkit-53fccdf]
        at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:1193) [spigot.jar:git-Bukkit-53fccdf]
        at net.minecraft.server.v1_12_R1.PacketPlayInChat.a(SourceFile:37) [spigot.jar:git-Bukkit-53fccdf]
        at net.minecraft.server.v1_12_R1.PacketPlayInChat.a(SourceFile:9) [spigot.jar:git-Bukkit-53fccdf]
        at net.minecraft.server.v1_12_R1.PlayerConnectionUtils$1.run(SourceFile:13) [spigot.jar:git-Bukkit-53fccdf]
        at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.8.0_131]
        at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.8.0_131]
        at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46) [spigot.jar:git-Bukkit-53fccdf]
        at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:696) [spigot.jar:git-Bukkit-53fccdf]
        at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:371) [spigot.jar:git-Bukkit-53fccdf]
        at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:651) [spigot.jar:git-Bukkit-53fccdf]
        at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:555) [spigot.jar:git-Bukkit-53fccdf]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_131]
Caused by: java.lang.NullPointerException
        at org.bukkit.craftbukkit.v1_12_R1.inventory.CraftInventory.setContents(CraftInventory.java:82) ~[spigot.jar:git-Bukkit-53fccdf]
        at de.lois.plugin.commands.CMDchests.onCommand(CMDchests.java:71) ~[?:?]
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[spigot.jar:git-Bukkit-53fccdf]
        ... 15 more