[02:21:37 ERROR]: Could not load 'plugins/AuthDog-1.0.0.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: Unsupported API version 1.20
at org.bukkit.craftbukkit.v1_17_R1.util.CraftMagicNumbers.checkSupported(CraftMagicNumbers.j
ava:358) ~[patched_1.17.1.jar:git-Paper-411]
at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:149) ~[patched_1
.17.1.jar:git-Paper-411]
at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:414) ~[patched_
1.17.1.jar:git-Paper-411]
at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:322) ~[patched
_1.17.1.jar:git-Paper-411]
at org.bukkit.craftbukkit.v1_17_R1.CraftServer.loadPlugins(CraftServer.java:419) ~[patched_1
.17.1.jar:git-Paper-411]
at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:287) ~[pat
ched_1.17.1.jar:git-Paper-411]
at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1220) ~[patched_1.17.
1.jar:git-Paper-411]
at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:319) ~[patched_1.
17.1.jar:git-Paper-411]
at java.lang.Thread.run(Thread.java:840) ~[?:?]
[02:21:37 ERROR]: [STDERR] [org.bukkit.craftbukkit.v1_17_R1.legacy.CraftLegacy] Initializing Legacy