error while enabling super lobby deluxe

hi I have a error with the plugin

when I downloaded it I was running smoothly, I made the settings to my liking, but now I get that error and I don't know why

[19:11:44] [Server thread/INFO]: [SuperLobby] Enabling SuperLobby v4.1.1
> [19:11:44] [Server thread/INFO]: -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
> [19:11:44] [Server thread/INFO]: _____ _ _ _
> [19:11:44] [Server thread/INFO]: / ____| | | | | | |
> [19:11:44] [Server thread/INFO]: | (___ _ _ _ __ ___ _ __| | ___ | |__ | |__ _ _
> [19:11:44] [Server thread/INFO]: \___ \| | | | '_ \ / _ \ '__| | / _ \| '_ \| '_ \| | | |
> [19:11:44] [Server thread/INFO]: ____) | |_| | |_) | __/ | | |___| (_) | |_) | |_) | |_| |
> [19:11:44] [Server thread/INFO]: |_____/ \__,_| .__/ \___|_| |______\___/|_.__/|_.__/ \__, |
> [19:11:44] [Server thread/INFO]: | | __/ |
> [19:11:44] [Server thread/INFO]: |_| |___/
> [19:11:44] [Server thread/INFO]:
> [19:11:44] [Server thread/INFO]: -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
> [19:11:44] [Server thread/INFO]: [SuperLobby] Deluxe Version: V4.1.1
> [19:11:44] [Server thread/INFO]: [SuperLobby] Plugin Create by PedroJM96.
> [19:11:44] [Server thread/INFO]: [SuperLobby] Loading configuration...
> [19:11:44] [Server thread/INFO]: [SuperLobby] Load config.yml
> [19:11:44] [Server thread/INFO]: [SuperLobby] config.yml loaded.
> [19:11:44] [Server thread/INFO]: [SuperLobby] Load messages_EN.yml
> [19:11:44] [Server thread/INFO]: [SuperLobby] messages_EN.yml loaded.
> [19:11:44] [Server thread/INFO]: [SuperLobby] Load spawn.yml
> [19:11:44] [Server thread/INFO]: [SuperLobby] spawn.yml loaded.
> [19:11:44] [Server thread/INFO]: [SuperLobby] Load chat.yml
> [19:11:44] [Server thread/INFO]: [SuperLobby] chat.yml loaded.
> [19:11:44] [Server thread/INFO]: [SuperLobby] Load infocommands.yml
> [19:11:44] [Server thread/INFO]: [SuperLobby] infocommands.yml loaded.
> [19:11:44] [Server thread/INFO]: [SuperLobby] Load customevents.yml
> [19:11:44] [Server thread/INFO]: [SuperLobby] customevents.yml loaded.
> [19:11:44] [Server thread/INFO]: [SuperLobby] Load items.yml
> [19:11:44] [Server thread/INFO]: [SuperLobby] items.yml loaded.
> [19:11:44] [Server thread/INFO]: [SuperLobby] Load menus.yml
> [19:11:44] [Server thread/INFO]: [SuperLobby] menus.yml loaded.
> [19:11:44] [Server thread/ERROR]: Error occurred while enabling SuperLobby v4.1.1 (Is it up to date?)
java.lang.NullPointerException: null
at com.pedrojm96.superlobby.core.CoreMenu.load(CoreMenu.java:178) ~[?:?]
at com.pedrojm96.superlobby.SuperLobby.loadMenus(SuperLobby.java:293) ~[?:?]
at com.pedrojm96.superlobby.SuperLobby.onEnable(SuperLobby.java:144) ~[?:?]
at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:263) ~[server.jar:git-Spigot-9de398a-9c887d4]
at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:352) [server.jar:git-Spigot-9de398a-9c887d4]
at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:417) [server.jar:git-Spigot-9de398a-9c887d4]
at org.bukkit.craftbukkit.v1_14_R1.CraftServer.enablePlugin(CraftServer.java:461) [server.jar:git-Spigot-9de398a-9c887d4]
at org.bukkit.craftbukkit.v1_14_R1.CraftServer.enablePlugins(CraftServer.java:375) [server.jar:git-Spigot-9de398a-9c887d4]
at net.minecraft.server.v1_14_R1.MinecraftServer.a(MinecraftServer.java:449) [server.jar:git-Spigot-9de398a-9c887d4]
at net.minecraft.server.v1_14_R1.DedicatedServer.init(DedicatedServer.java:258) [server.jar:git-Spigot-9de398a-9c887d4]
at net.minecraft.server.v1_14_R1.MinecraftServer.run(MinecraftServer.java:776) [server.jar:git-Spigot-9de398a-9c887d4]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_212]