Solved java.lang.ClassCastException:

Hi there!
I have this error in my console and Im not really sure about where is the problem

Code:

org.bukkit.event.EventException: null
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:320) ~[spigot-1.14.4.jar:git-Spigot-9de398a-9c887d4]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) ~[spigot-1.14.4.jar:git-Spigot-9de398a-9c887d4]
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:529) ~[spigot-1.14.4.jar:git-Spigot-9de398a-9c887d4]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:514) ~[spigot-1.14.4.jar:git-Spigot-9de398a-9c887d4]
        at org.bukkit.craftbukkit.v1_14_R1.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:429) ~[spigot-1.14.4.jar:git-Spigot-9de398a-9c887d4]
        at net.minecraft.server.v1_14_R1.PlayerInteractManager.a(PlayerInteractManager.java:432) ~[spigot-1.14.4.jar:git-Spigot-9de398a-9c887d4]
        at net.minecraft.server.v1_14_R1.PlayerConnection.a(PlayerConnection.java:1238) ~[spigot-1.14.4.jar:git-Spigot-9de398a-9c887d4]
        at net.minecraft.server.v1_14_R1.PacketPlayInUseItem.a(PacketPlayInUseItem.java:27) ~[spigot-1.14.4.jar:git-Spigot-9de398a-9c887d4]
        at net.minecraft.server.v1_14_R1.PacketPlayInUseItem.a(PacketPlayInUseItem.java:1) ~[spigot-1.14.4.jar:git-Spigot-9de398a-9c887d4]
        at net.minecraft.server.v1_14_R1.PlayerConnectionUtils.lambda$0(PlayerConnectionUtils.java:19) ~[spigot-1.14.4.jar:git-Spigot-9de398a-9c887d4]
        at net.minecraft.server.v1_14_R1.TickTask.run(SourceFile:18) [spigot-1.14.4.jar:git-Spigot-9de398a-9c887d4]
        at net.minecraft.server.v1_14_R1.IAsyncTaskHandler.executeTask(SourceFile:144) [spigot-1.14.4.jar:git-Spigot-9de398a-9c887d4]
        at net.minecraft.server.v1_14_R1.IAsyncTaskHandlerReentrant.executeTask(SourceFile:23) [spigot-1.14.4.jar:git-Spigot-9de398a-9c887d4]
        at net.minecraft.server.v1_14_R1.IAsyncTaskHandler.executeNext(SourceFile:118) [spigot-1.14.4.jar:git-Spigot-9de398a-9c887d4]
        at net.minecraft.server.v1_14_R1.MinecraftServer.aX(MinecraftServer.java:910) [spigot-1.14.4.jar:git-Spigot-9de398a-9c887d4]
        at net.minecraft.server.v1_14_R1.MinecraftServer.executeNext(MinecraftServer.java:903) [spigot-1.14.4.jar:git-Spigot-9de398a-9c887d4]
        at net.minecraft.server.v1_14_R1.IAsyncTaskHandler.executeAll(SourceFile:103) [spigot-1.14.4.jar:git-Spigot-9de398a-9c887d4]
        at net.minecraft.server.v1_14_R1.MinecraftServer.sleepForTick(MinecraftServer.java:886) [spigot-1.14.4.jar:git-Spigot-9de398a-9c887d4]
        at net.minecraft.server.v1_14_R1.MinecraftServer.run(MinecraftServer.java:820) [spigot-1.14.4.jar:git-Spigot-9de398a-9c887d4]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_221]
Caused by: java.lang.ClassCastException: org.bukkit.craftbukkit.v1_14_R1.inventory.CraftInventoryCustom cannot be cast to io.github.shilodabing.PolvosTeleport.Inventarios
        at io.github.shilodabing.PolvosTeleport.PolvosTeleport.abrirIventario(PolvosTeleport.java:26) ~[?:?]
        at io.github.shilodabing.PolvosTeleport.Eventos.bloque(Eventos.java:49) ~[?:?]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_221]
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_221]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_221]
        at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_221]
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:316) ~[spigot-1.14.4.jar:git-Spigot-9de398a-9c887d4]
        ... 19 more

My actual code is this

Code:java

 
    Inventarios inv;
    public void abrirIventario(Player player) {
        this.inv = (Inventarios) Bukkit.createInventory((InventoryHolder) player, 9, ChatColor.DARK_RED + "Estaciones");  //Error Here
    }

 

@AntonioC94
Inventarios is not the same as an Inventory.