[14:07:31] [Server thread/ERROR]: Could not load 'plugins/Multiverse-NetherPortals-4.0.0.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.NoClassDefFoundError: com/onarandombox/commandhandler/Command
        at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:139) ~[craftbukkitdev.jar:git-Spigot-1a3504a-84f3da3]
        at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:332) ~[craftbukkitdev.jar:git-Spigot-1a3504a-84f3da3]
        at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:252) [craftbukkitdev.jar:git-Spigot-1a3504a-84f3da3]
        at org.bukkit.craftbukkit.v1_13_R2.CraftServer.loadPlugins(CraftServer.java:325) [craftbukkitdev.jar:git-Spigot-1a3504a-84f3da3]
        at net.minecraft.server.v1_13_R2.DedicatedServer.init(DedicatedServer.java:213) [craftbukkitdev.jar:git-Spigot-1a3504a-84f3da3]
        at net.minecraft.server.v1_13_R2.MinecraftServer.run(MinecraftServer.java:698) [craftbukkitdev.jar:git-Spigot-1a3504a-84f3da3]
        at java.lang.Thread.run(Thread.java:834) [?:?]
Caused by: java.lang.NoClassDefFoundError: com/onarandombox/commandhandler/Command
        at java.lang.Class.forName0(Native Method) ~[?:?]
        at java.lang.Class.forName(Class.java:398) ~[?:?]
        at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:60) ~[craftbukkitdev.jar:git-Spigot-1a3504a-84f3da3]
        at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:135) ~[craftbukkitdev.jar:git-Spigot-1a3504a-84f3da3]
        ... 6 more
Caused by: java.lang.ClassNotFoundException: com.onarandombox.commandhandler.Command
        at java.net.URLClassLoader.findClass(URLClassLoader.java:471) ~[?:?]
        at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:136) ~[craftbukkitdev.jar:git-Spigot-1a3504a-84f3da3]
        at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:82) ~[craftbukkitdev.jar:git-Spigot-1a3504a-84f3da3]
        at java.lang.ClassLoader.loadClass(ClassLoader.java:588) ~[?:?]