Paper-Version: Paper version git-Paper-20 (MC: 1.19) (Implementing API version 1.19-R0.1-SNAPSHOT) (Git: 2dcfb2b)

Unfortunately, I always get this error when loading the plugin

[13:25:25] [Server thread/ERROR]: Could not load 'plugins/SmoothCoasters-1.19-v1.jar' in folder 'plugins'
org.bukkit.plugin.InvalidDescriptionException: Invalid plugin.yml
at org.bukkit.plugin.java.JavaPluginLoader.getPluginDescription(JavaPluginLoader.java:178) ~[paper-api-1.19-R0.1-SNAPSHOT.jar:?]
at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:154) ~[paper-api-1.19-R0.1-SNAPSHOT.jar:?]
at org.bukkit.craftbukkit.v1_19_R1.CraftServer.loadPlugins(CraftServer.java:412) ~[paper-1.19.jar:git-Paper-20]
at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:278) ~[paper-1.19.jar:git-Paper-20]
at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1121) ~[paper-1.19.jar:git-Paper-20]
at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:302) ~[paper-1.19.jar:git-Paper-20]
at java.lang.Thread.run(Thread.java:833) ~[?:?]
Caused by: java.io.FileNotFoundException: Jar does not contain plugin.yml
... 7 more