Помогите an internal error occurred while attempting to perform this command что делать

Ошибка в консоли
[INFO] Dizz issued server command: /shopkeeper

[ERROR] null

org.bukkit.command.CommandException: Unhandled exception executing command 'shopkeeper' in plugin Shopkeepers v2.2.2

at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[craftbukkit-1.9.jar:git-Bukkit-6f032cd]

at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:140) ~[craftbukkit-1.9.jar:git-Bukkit-6f032cd]

at org.bukkit.craftbukkit.v1_9_R1.CraftServer.dispatchCommand(CraftServer.java:624) ~[craftbukkit-1.9.jar:git-Bukkit-6f032cd]

at net.minecraft.server.v1_9_R1.PlayerConnection.handleCommand(PlayerConnection.java:1250) [craftbukkit-1.9.jar:git-Bukkit-6f032cd]

at net.minecraft.server.v1_9_R1.PlayerConnection.a(PlayerConnection.java:1110) [craftbukkit-1.9.jar:git-Bukkit-6f032cd]

at net.minecraft.server.v1_9_R1.PacketPlayInChat.a(SourceFile:37) [craftbukkit-1.9.jar:git-Bukkit-6f032cd]

at net.minecraft.server.v1_9_R1.PacketPlayInChat.a(SourceFile:9) [craftbukkit-1.9.jar:git-Bukkit-6f032cd]

at net.minecraft.server.v1_9_R1.PlayerConnectionUtils$1.run(SourceFile:13) [craftbukkit-1.9.jar:git-Bukkit-6f032cd]

at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_212]

at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_212]

at net.minecraft.server.v1_9_R1.SystemUtils.a(SourceFile:45) [craftbukkit-1.9.jar:git-Bukkit-6f032cd]

at net.minecraft.server.v1_9_R1.MinecraftServer.D(MinecraftServer.java:679) [craftbukkit-1.9.jar:git-Bukkit-6f032cd]

at net.minecraft.server.v1_9_R1.DedicatedServer.D(DedicatedServer.java:361) [craftbukkit-1.9.jar:git-Bukkit-6f032cd]

at net.minecraft.server.v1_9_R1.MinecraftServer.C(MinecraftServer.java:635) [craftbukkit-1.9.jar:git-Bukkit-6f032cd]

at net.minecraft.server.v1_9_R1.MinecraftServer.run(MinecraftServer.java:539) [craftbukkit-1.9.jar:git-Bukkit-6f032cd]

at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]

Caused by: java.lang.NoSuchMethodError: org/bukkit/entity/LivingEntity.setCollidable(Z)V (loaded from file:/pro/bin/mc/craftbukkit/1.9/craftbukkit-1.9.jar by sun.misc.Launcher$AppClassLoader@77e017f5) called from class com.nisovin.shopkeepers.compat.v1_9_R1.NMSHandler (loaded from file:/home/gs-40809/plugins/shopkeepers-1_8-1_12.jar by org.bukkit.plugin.java.PluginClassLoader@385301a).

at com.nisovin.shopkeepers.compat.v1_9_R1.NMSHandler.overwriteLivingEntityAI(NMSHandler.java:113) ~[?:?]

at com.nisovin.shopkeepers.shopobjects.living.SKLivingShopObject.overwriteAI(SKLivingShopObject.java:214) ~[?:?]

at com.nisovin.shopkeepers.shopobjects.living.SKLivingShopObject.spawn(SKLivingShopObject.java:187) ~[?:?]

at com.nisovin.shopkeepers.shopkeeper.AbstractShopkeeper.spawn(AbstractShopkeeper.java:477) ~[?:?]

at com.nisovin.shopkeepers.shopkeeper.SKShopkeeperRegistry.activateShopkeeper(SKShopkeeperRegistry.java:373) ~[?:?]

at com.nisovin.shopkeepers.shopkeeper.SKShopkeeperRegistry.addShopkeeper(SKShopkeeperRegistry.java:256) ~[?:?]

at com.nisovin.shopkeepers.shopkeeper.SKShopkeeperRegistry.createShopkeeper(SKShopkeeperRegistry.java:188) ~[?:?]

at com.nisovin.shopkeepers.shopkeeper.AbstractShopType.handleShopkeeperCreation(AbstractShopType.java:65) ~[?:?]

at com.nisovin.shopkeepers.SKShopkeepersPlugin.handleShopkeeperCreation(SKShopkeepersPlugin.java:464) ~[?:?]

at com.nisovin.shopkeepers.commands.shopkeepers.ShopkeepersCommand.execute(ShopkeepersCommand.java:259) ~[?:?]

at com.nisovin.shopkeepers.commands.lib.Command.handleCommand(Command.java:394) ~[?:?]

at com.nisovin.shopkeepers.commands.lib.BaseCommand.onCommand(BaseCommand.java:34) ~[?:?]

at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[craftbukkit-1.9.jar:git-Bukkit-6f032cd]

... 15 more