invalid plugin.yml

Could not load 'plugins\CreeperSpawn.jar' in folder 'plugins'
org.bukkit.plugin.InvalidDescriptionException: Invalid plugin.yml
at org.bukkit.plugin.java.JavaPluginLoader.getPluginDescription(JavaPluginLoader.java:160) ~[server.jar:git-Spigot-37d799b-3eb7236]
at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:144) ~[server.jar:git-Spigot-37d799b-3eb7236]
at org.bukkit.craftbukkit.v1_16_R3.CraftServer.loadPlugins(CraftServer.java:383) ~[server.jar:git-Spigot-37d799b-3eb7236]
at org.bukkit.craftbukkit.v1_16_R3.CraftServer.reload(CraftServer.java:874) ~[server.jar:git-Spigot-37d799b-3eb7236]
at org.bukkit.Bukkit.reload(Bukkit.java:642) ~[server.jar:git-Spigot-37d799b-3eb7236]
at org.bukkit.command.defaults.ReloadCommand.execute(ReloadCommand.java:27) ~[server.jar:git-Spigot-37d799b-3eb7236]
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:149) ~[server.jar:git-Spigot-37d799b-3eb7236]
at org.bukkit.craftbukkit.v1_16_R3.CraftServer.dispatchCommand(CraftServer.java:758) ~[server.jar:git-Spigot-37d799b-3eb7236]
at org.bukkit.craftbukkit.v1_16_R3.CraftServer.dispatchServerCommand(CraftServer.java:743) ~[server.jar:git-Spigot-37d799b-3eb7236]
at net.minecraft.server.v1_16_R3.DedicatedServer.handleCommandQueue(DedicatedServer.java:387) ~[server.jar:git-Spigot-37d799b-3eb7236]
at net.minecraft.server.v1_16_R3.DedicatedServer.b(DedicatedServer.java:356) ~[server.jar:git-Spigot-37d799b-3eb7236]
at net.minecraft.server.v1_16_R3.MinecraftServer.a(MinecraftServer.java:1007) ~[server.jar:git-Spigot-37d799b-3eb7236]
at net.minecraft.server.v1_16_R3.MinecraftServer.w(MinecraftServer.java:846) ~[server.jar:git-Spigot-37d799b-3eb7236]
at net.minecraft.server.v1_16_R3.MinecraftServer.lambda$0(MinecraftServer.java:164) ~[server.jar:git-Spigot-37d799b-3eb7236]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_341]
Caused by: java.io.FileNotFoundException: Jar does not contain plugin.yml
... 15 more

here is my plugin.yml:

Code:

name: CreeperSpawn
api-version 1.16
Version: 1.0.0
Author: Bened2222
main: me.Bened2222.CreeperSpawn.Main
description: spawns 10 creepers on player

commands:
  creepspawn:
    aliases: [cs]

EDIT by Moderator: merged posts, please use the edit button instead of double posting.

 

You need to generate your artifact with the plugin.yml in it, not just the compile output.