[20:42:02] [Server thread/ERROR]: Could not load 'plugins/EpicFurnaces 3.4.6.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.NoClassDefFoundError: com/songoda/epicfurnaces/api/EpicFurnaces
	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:135) ~[spigot.jar:git-Spigot-f6a273b-5ee1c18]
	at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:327) ~[spigot.jar:git-Spigot-f6a273b-5ee1c18]
	at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:248) [spigot.jar:git-Spigot-f6a273b-5ee1c18]
	at org.bukkit.craftbukkit.v1_13_R2.CraftServer.loadPlugins(CraftServer.java:320) [spigot.jar:git-Spigot-f6a273b-5ee1c18]
	at net.minecraft.server.v1_13_R2.DedicatedServer.init(DedicatedServer.java:213) [spigot.jar:git-Spigot-f6a273b-5ee1c18]
	at net.minecraft.server.v1_13_R2.MinecraftServer.run(MinecraftServer.java:702) [spigot.jar:git-Spigot-f6a273b-5ee1c18]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_181]
Caused by: java.lang.NoClassDefFoundError: com/songoda/epicfurnaces/api/EpicFurnaces
	at java.lang.ClassLoader.defineClass1(Native Method) ~[?:1.8.0_181]
	at java.lang.ClassLoader.defineClass(ClassLoader.java:763) ~[?:1.8.0_181]
	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) ~[?:1.8.0_181]
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:150) ~[spigot.jar:git-Spigot-f6a273b-5ee1c18]
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:100) ~[spigot.jar:git-Spigot-f6a273b-5ee1c18]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_181]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_181]
	at java.lang.Class.forName0(Native Method) ~[?:1.8.0_181]
	at java.lang.Class.forName(Class.java:348) ~[?:1.8.0_181]
	at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:78) ~[spigot.jar:git-Spigot-f6a273b-5ee1c18]
	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:131) ~[spigot.jar:git-Spigot-f6a273b-5ee1c18]
	... 6 more
Caused by: java.lang.ClassNotFoundException: com.songoda.epicfurnaces.api.EpicFurnaces
	at java.net.URLClassLoader.findClass(URLClassLoader.java:381) ~[?:1.8.0_181]
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:154) ~[spigot.jar:git-Spigot-f6a273b-5ee1c18]
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:100) ~[spigot.jar:git-Spigot-f6a273b-5ee1c18]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_181]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_181]
	at java.lang.ClassLoader.defineClass1(Native Method) ~[?:1.8.0_181]
	at java.lang.ClassLoader.defineClass(ClassLoader.java:763) ~[?:1.8.0_181]
	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) ~[?:1.8.0_181]
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:150) ~[spigot.jar:git-Spigot-f6a273b-5ee1c18]
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:100) ~[spigot.jar:git-Spigot-f6a273b-5ee1c18]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_181]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_181]
	at java.lang.Class.forName0(Native Method) ~[?:1.8.0_181]
	at java.lang.Class.forName(Class.java:348) ~[?:1.8.0_181]
	at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:78) ~[spigot.jar:git-Spigot-f6a273b-5ee1c18]
	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:131) ~[spigot.jar:git-Spigot-f6a273b-5ee1c18]
	... 6 more