Решено Не могу перезагрузить плагин GUIShop

при перезагрузке плагина GUIShop выдаёт ошибку:
[17:18:19 INFO]: ItzQueste issued server command: /guishop reload
[17:18:19 ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'guishop' in plugin ShopGUIPlus v1.3.13
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[server.jar:git-Spigot-dcd1643-e60fc34]
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141) ~[server.jar:git-Spigot-dcd1643-e60fc34]
at org.bukkit.craftbukkit.v1_12_R1.CraftServer.dispatchCommand(CraftServer.java:648) ~[server.jar:git-Spigot-dcd1643-e60fc34]
at net.minecraft.server.v1_12_R1.PlayerConnection.handleCommand(PlayerConnection.java:1399) [server.jar:git-Spigot-dcd1643-e60fc34]
at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:1234) [server.jar:git-Spigot-dcd1643-e60fc34]
at net.minecraft.server.v1_12_R1.PacketPlayInChat.a(PacketPlayInChat.java:45) [server.jar:git-Spigot-dcd1643-e60fc34]
at net.minecraft.server.v1_12_R1.PacketPlayInChat.a(PacketPlayInChat.java:1) [server.jar:git-Spigot-dcd1643-e60fc34]
at net.minecraft.server.v1_12_R1.PlayerConnectionUtils$1.run(SourceFile:13) [server.jar:git-Spigot-dcd1643-e60fc34]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_301]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_301]
at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46) [server.jar:git-Spigot-dcd1643-e60fc34]
at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:748) [server.jar:git-Spigot-dcd1643-e60fc34]
at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [server.jar:git-Spigot-dcd1643-e60fc34]
at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [server.jar:git-Spigot-dcd1643-e60fc34]
at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [server.jar:git-Spigot-dcd1643-e60fc34]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_301]
Caused by: java.lang.NullPointerException
at net.brcdev.shopgui.manager.ShopMenuManager.closeGui(ShopMenuManager.java:473) ~[?:?]
at net.brcdev.shopgui.manager.ShopMenuManager.closeAllGuis(ShopMenuManager.java:457) ~[?:?]
at net.brcdev.shopgui.command.CmdShop.onCommand(CmdShop.java:85) ~[?:?]
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[server.jar:git-Spigot-dcd1643-e60fc34]
... 15 more

 

Тогда серв перезагружай, в чём проблема?