[21:39:49 ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'home' in plugin NexusHome v1.1
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[spigot_server.jar:git-Spigot-ede465d-bb4ae3b]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141) ~[spigot_server.jar:git-Spigot-ede465d-bb4ae3b]
        at org.bukkit.craftbukkit.v1_12_R1.CraftServer.dispatchCommand(CraftServer.java:644) ~[spigot_server.jar:git-Spigot-ede465d-bb4ae3b]
        at net.minecraft.server.v1_12_R1.PlayerConnection.handleCommand(PlayerConnection.java:1385) [spigot_server.jar:git-Spigot-ede465d-bb4ae3b]
        at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:1220) [spigot_server.jar:git-Spigot-ede465d-bb4ae3b]
        at net.minecraft.server.v1_12_R1.PacketPlayInChat.a(PacketPlayInChat.java:45) [spigot_server.jar:git-Spigot-ede465d-bb4ae3b]
        at net.minecraft.server.v1_12_R1.PacketPlayInChat.a(PacketPlayInChat.java:1) [spigot_server.jar:git-Spigot-ede465d-bb4ae3b]
        at net.minecraft.server.v1_12_R1.PlayerConnectionUtils$1.run(SourceFile:13) [spigot_server.jar:git-Spigot-ede465d-bb4ae3b]
        at java.util.concurrent.Executors$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_server.jar:git-Spigot-ede465d-bb4ae3b]
        at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:747) [spigot_server.jar:git-Spigot-ede465d-bb4ae3b]
        at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:405) [spigot_server.jar:git-Spigot-ede465d-bb4ae3b]
        at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:678) [spigot_server.jar:git-Spigot-ede465d-bb4ae3b]
        at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:576) [spigot_server.jar:git-Spigot-ede465d-bb4ae3b]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_131]
Caused by: java.lang.NoClassDefFoundError: de/alphahelix/alphalibary/nms/SimpleActionBar
        at Commands.Home.onCommand(Home.java:44) ~[?:?]
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[spigot_server.jar:git-Spigot-ede465d-bb4ae3b]
        ... 15 more
Caused by: java.lang.ClassNotFoundException: de.alphahelix.alphalibary.nms.SimpleActionBar
        at java.net.URLClassLoader.findClass(Unknown Source) ~[?:1.8.0_131]
        at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:101) ~[spigot_server.jar:git-Spigot-ede465d-bb4ae3b]
        at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:86) ~[spigot_server.jar:git-Spigot-ede465d-bb4ae3b]
        at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_131]
        at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_131]
        at Commands.Home.onCommand(Home.java:44) ~[?:?]
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[spigot_server.jar:git-Spigot-ede465d-bb4ae3b]
        ... 15 more