error 18

[20:12:29 ERROR]: Could not load 'plugins\EpicHoppers.jar' in folder 'plugins'
org.bukkit.plugin.InvalidDescriptionException: Invalid plugin.yml
	at org.bukkit.plugin.java.JavaPluginLoader.getPluginDescription(JavaPluginLoader.java:154) ~[spigot.jar:git-Spigot-550ebac-7019900]
	at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:133) [spigot.jar:git-Spigot-550ebac-7019900]
	at net.minecraft.server.v1_8_R1.DedicatedServer.init(DedicatedServer.java:152) [spigot.jar:git-Spigot-550ebac-7019900]
	at net.minecraft.server.v1_8_R1.MinecraftServer.run(MinecraftServer.java:505) [spigot.jar:git-Spigot-550ebac-7019900]
	at org.bukkit.craftbukkit.v1_8_R1.CraftServer.loadPlugins(CraftServer.java:291) [spigot.jar:git-Spigot-550ebac-7019900]
	at java.lang.Thread.run(Unknown Source) [?:1.8.0_181]
Caused by: java.io.FileNotFoundException: Jar does not contain plugin.yml
	... 6 more