5_R1.CraftServer.enablePlugin(CraftServer.java:462) [spigot-1.15.jar:git-Spigot-f39a89e-f777640]
        at org.bukkit.craftbukkit.v1_15_R1.CraftServer.enablePlugins(CraftServer.java:376) [spigot-1.15.jar:git-Spigot-f39a89e-f777640]
        at net.minecraft.server.v1_15_R1.MinecraftServer.a(MinecraftServer.java:456) [spigot-1.15.jar:git-Spigot-f39a89e-f777640]
        at net.minecraft.server.v1_15_R1.DedicatedServer.init(DedicatedServer.java:266) [spigot-1.15.jar:git-Spigot-f39a89e-f777640]
        at net.minecraft.server.v1_15_R1.MinecraftServer.run(MinecraftServer.java:783) [spigot-1.15.jar:git-Spigot-f39a89e-f777640]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_201]
Caused by: java.lang.NoClassDefFoundError: com/earth2me/essentials/IEssentials
        ... 10 more
Caused by: java.lang.ClassNotFoundException: com.earth2me.essentials.IEssentials
        at java.net.URLClassLoader.findClass(URLClassLoader.java:382) ~[?:1.8.0_201]
        at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:135) ~[spigot-1.15.jar:git-Spigot-f39a89e-f777640]
        at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:81) ~[spigot-1.15.jar:git-Spigot-f39a89e-f777640]
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_201]
        at java.lang.ClassLoad