Plugin Error, Paper 1.19 java 17

So im trying to make a plugin for my friend but i keep getting this error:
[00:54:39 ERROR]: Error occurred while enabling BanBlade v1.0-SNAPSHOT (Is it up to date?)
java.lang.IllegalArgumentException: Plugin already initialized!
at org.bukkit.plugin.java.PluginClassLoader.initialize(PluginClassLoader.java:229) ~[paper-api-1.19-R0.1-SNAPSHOT.jar:?]
at org.bukkit.plugin.java.JavaPlugin.<init>(JavaPlugin.java:53) ~[paper-api-1.19-R0.1-SNAPSHOT.jar:?]
at me.geraldvhz.banblade.commands.bbshield.<init>(bbshield.java:19) ~[BanBlade-1.0-SNAPSHOT.jar:?]
at me.geraldvhz.banblade.BanBlade.onEnable(BanBlade.java:22) ~[BanBlade-1.0-SNAPSHOT.jar:?]
at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:264) ~[paper-api-1.19-R0.1-SNAPSHOT.jar:?]
at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:370) ~[paper-api-1.19-R0.1-SNAPSHOT.jar:?]
at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:542) ~[paper-api-1.19-R0.1-SNAPSHOT.jar:?]
at org.bukkit.craftbukkit.v1_19_R1.CraftServer.enablePlugin(CraftServer.java:563) ~[paper-1.19.jar:git-Paper-81]
at org.bukkit.craftbukkit.v1_19_R1.CraftServer.enablePlugins(CraftServer.java:477) ~[paper-1.19.jar:git-Paper-81]
at net.minecraft.server.MinecraftServer.loadWorld0(MinecraftServer.java:634) ~[paper-1.19.jar:git-Paper-81]
at net.minecraft.server.MinecraftServer.loadLevel(MinecraftServer.java:420) ~[paper-1.19.jar:git-Paper-81]
at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:306) ~[paper-1.19.jar:git-Paper-81]
at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1122) ~[paper-1.19.jar:git-Paper-81]
at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:303) ~[paper-1.19.jar:git-Paper-81]
at java.lang.Thread.run(Thread.java:1589) ~[?:?]
Caused by: java.lang.IllegalStateException: Initial initialization
at org.bukkit.plugin.java.PluginClassLoader.initialize(PluginClassLoader.java:232) ~[paper-api-1.19-R0.1-SNAPSHOT.jar:?]
at org.bukkit.plugin.java.JavaPlugin.<init>(JavaPlugin.java:53) ~[paper-api-1.19-R0.1-SNAPSHOT.jar:?]
at me.geraldvhz.banblade.BanBlade.<init>(BanBlade.java:16) ~[BanBlade-1.0-SNAPSHOT.jar:?]
at jdk.internal.reflect.DirectConstructorHandleAccessor.newInstance(DirectConstructorHandleAccessor.java:67) ~[?:?]
at java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:500) ~[?:?]
at java.lang.reflect.ReflectAccess.newInstance(ReflectAccess.java:128) ~[?:?]
at jdk.internal.reflect.ReflectionFactory.newInstance(ReflectionFactory.java:306) ~[?:?]
at java.lang.Class.newInstance(Class.java:684) ~[?:?]
at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:83) ~[paper-api-1.19-R0.1-SNAPSHOT.jar:?]
at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:153) ~[paper-api-1.19-R0.1-SNAPSHOT.jar:?]
at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:411) ~[paper-api-1.19-R0.1-SNAPSHOT.jar:?]
at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:319) ~[paper-api-1.19-R0.1-SNAPSHOT.jar:?]
at org.bukkit.craftbukkit.v1_19_R1.CraftServer.loadPlugins(CraftServer.java:421) ~[paper-1.19.jar:git-Paper-81]
at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:278) ~[paper-1.19.jar:git-Paper-81]
... 3 more


ive tried to search but cant find anything cause ive many times went over my code to make this work but it just wont budge.
.jar file is attached pls help