[16:14:24 WARN]: [AuraSkills] Error opening Slate menu level_progression
[16:14:24 WARN]: java.lang.NullPointerException: Cannot invoke "dev.aurelium.auraskills.api.skill.Skill.getMaxLevel()" because "skill" is null
[16:14:24 WARN]:        at AuraSkills-2.0.0-SNAPSHOT.jar//dev.aurelium.auraskills.bukkit.menus.levelprogression.LevelProgressionMenu.getPages(LevelProgressionMenu.java:40)
[16:14:24 WARN]:        at AuraSkills-2.0.0-SNAPSHOT.jar//dev.aurelium.auraskills.slate.menu.MenuInventory.<init>(MenuInventory.java:71)
[16:14:24 WARN]:        at AuraSkills-2.0.0-SNAPSHOT.jar//dev.aurelium.auraskills.slate.menu.MenuManager.openMenu(MenuManager.java:301)
[16:14:24 WARN]:        at AuraSkills-2.0.0-SNAPSHOT.jar//dev.aurelium.auraskills.slate.action.MenuAction.execute(MenuAction.java:35)
[16:14:24 WARN]:        at AuraSkills-2.0.0-SNAPSHOT.jar//dev.aurelium.auraskills.slate.menu.MenuInventory.executeActions(MenuInventory.java:371)
[16:14:24 WARN]:        at AuraSkills-2.0.0-SNAPSHOT.jar//dev.aurelium.auraskills.slate.menu.MenuInventory.lambda$addSingleItemToInventory$0(MenuInventory.java:332)
[16:14:24 WARN]:        at AuraSkills-2.0.0-SNAPSHOT.jar//dev.aurelium.auraskills.inv.ClickableItem.run(ClickableItem.java:135)
[16:14:24 WARN]:        at AuraSkills-2.0.0-SNAPSHOT.jar//dev.aurelium.auraskills.inv.InventoryManager$InvListener.lambda$onInventoryClick$2(InventoryManager.java:202)
[16:14:24 WARN]:        at java.base/java.util.Optional.ifPresent(Optional.java:178)
[16:14:24 WARN]:        at AuraSkills-2.0.0-SNAPSHOT.jar//dev.aurelium.auraskills.inv.InventoryManager$InvListener.onInventoryClick(InventoryManager.java:202)
[16:14:24 WARN]:        at com.destroystokyo.paper.event.executor.MethodHandleEventExecutor.execute(MethodHandleEventExecutor.java:40)
[16:14:24 WARN]:        at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:77)
[16:14:24 WARN]:        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70)
[16:14:24 WARN]:        at io.papermc.paper.plugin.manager.PaperEventManager.callEvent(PaperEventManager.java:54)
[16:14:24 WARN]:        at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.callEvent(PaperPluginManagerImpl.java:126)
[16:14:24 WARN]:        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:615)
[16:14:24 WARN]:        at net.minecraft.server.network.PlayerConnection.a(PlayerConnection.java:3087)
[16:14:24 WARN]:        at net.minecraft.network.protocol.game.PacketPlayInWindowClick.a(PacketPlayInWindowClick.java:58)
[16:14:24 WARN]:        at net.minecraft.network.protocol.game.PacketPlayInWindowClick.a(PacketPlayInWindowClick.java:23)
[16:14:24 WARN]:        at net.minecraft.network.protocol.PlayerConnectionUtils.lambda$ensureRunningOnSameThread$0(PlayerConnectionUtils.java:54)
[16:14:24 WARN]:        at net.minecraft.server.TickTask.run(TickTask.java:18)
[16:14:24 WARN]:        at net.minecraft.util.thread.IAsyncTaskHandler.d(IAsyncTaskHandler.java:153)
[16:14:24 WARN]:        at net.minecraft.util.thread.IAsyncTaskHandlerReentrant.d(IAsyncTaskHandlerReentrant.java:24)
[16:14:24 WARN]:        at net.minecraft.server.MinecraftServer.b(MinecraftServer.java:1455)
[16:14:24 WARN]:        at net.minecraft.server.MinecraftServer.d(MinecraftServer.java:194)
[16:14:24 WARN]:        at net.minecraft.util.thread.IAsyncTaskHandler.x(IAsyncTaskHandler.java:126)
[16:14:24 WARN]:        at net.minecraft.server.MinecraftServer.bl(MinecraftServer.java:1432)
[16:14:24 WARN]:        at net.minecraft.server.MinecraftServer.x(MinecraftServer.java:1355)
[16:14:24 WARN]:        at net.minecraft.util.thread.IAsyncTaskHandler.c(IAsyncTaskHandler.java:136)
[16:14:24 WARN]:        at net.minecraft.server.MinecraftServer.w_(MinecraftServer.java:1333)
[16:14:24 WARN]:        at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:1222)
[16:14:24 WARN]:        at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:319)
[16:14:24 WARN]:        at java.base/java.lang.Thread.run(Thread.java:833)