[09:52:46] [Server thread/WARN]: java.lang.NoClassDefFoundError: net/minecraft/server/v1_14_R1/PathDestination [09:52:46] [Server thread/WARN]: at net.citizensnpcs.nms.v1_14_R1.util.PlayerNavigation.<init>(PlayerNavigation.java:68) [09:52:46] [Server thread/WARN]: at net.citizensnpcs.nms.v1_14_R1.entity.EntityHumanNPC.initialise(EntityHumanNPC.java:289) [09:52:46] [Server thread/WARN]: at net.citizensnpcs.nms.v1_14_R1.entity.EntityHumanNPC.<init>(EntityHumanNPC.java:90) [09:52:46] [Server thread/WARN]: at net.citizensnpcs.nms.v1_14_R1.entity.HumanController.createEntity(HumanController.java:52) [09:52:46] [Server thread/WARN]: at net.citizensnpcs.npc.AbstractEntityController.spawn(AbstractEntityController.java:41) [09:52:46] [Server thread/WARN]: at net.citizensnpcs.npc.CitizensNPC.spawn(CitizensNPC.java:242) [09:52:46] [Server thread/WARN]: at net.citizensnpcs.commands.NPCCommands.create(NPCCommands.java:484) [09:52:46] [Server thread/WARN]: at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [09:52:46] [Server thread/WARN]: at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) [09:52:46] [Server thread/WARN]: at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [09:52:46] [Server thread/WARN]: at java.lang.reflect.Method.invoke(Method.java:498) [09:52:46] [Server thread/WARN]: at net.citizensnpcs.api.command.CommandManager.executeMethod(CommandManager.java:159) [09:52:46] [Server thread/WARN]: at net.citizensnpcs.api.command.CommandManager.execute(CommandManager.java:91) [09:52:46] [Server thread/WARN]: at net.citizensnpcs.api.command.CommandManager.executeSafe(CommandManager.java:187) [09:52:46] [Server thread/WARN]: at net.citizensnpcs.Citizens.onCommand(Citizens.java:263) [09:52:46] [Server thread/WARN]: at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45) [09:52:46] [Server thread/WARN]: at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:149) [09:52:46] [Server thread/WARN]: at org.bukkit.craftbukkit.v1_14_R1.CraftServer.dispatchCommand(CraftServer.java:707) [09:52:46] [Server thread/WARN]: at net.minecraft.server.v1_14_R1.PlayerConnection.handleCommand(PlayerConnection.java:1666) [09:52:46] [Server thread/WARN]: at net.minecraft.server.v1_14_R1.PlayerConnection.a(PlayerConnection.java:1506) [09:52:46] [Server thread/WARN]: at net.minecraft.server.v1_14_R1.PacketPlayInChat.a(PacketPlayInChat.java:47) [09:52:46] [Server thread/WARN]: at net.minecraft.server.v1_14_R1.PacketPlayInChat.a(PacketPlayInChat.java:1) [09:52:46] [Server thread/WARN]: at net.minecraft.server.v1_14_R1.PlayerConnectionUtils.lambda$0(PlayerConnectionUtils.java:13) [09:52:46] [Server thread/WARN]: at net.minecraft.server.v1_14_R1.TickTask.run(SourceFile:18) [09:52:46] [Server thread/WARN]: at net.minecraft.server.v1_14_R1.IAsyncTaskHandler.executeTask(SourceFile:135) [09:52:46] [Server thread/WARN]: at net.minecraft.server.v1_14_R1.IAsyncTaskHandlerReentrant.executeTask(SourceFile:23) [09:52:46] [Server thread/WARN]: at net.minecraft.server.v1_14_R1.IAsyncTaskHandler.executeNext(SourceFile:114) [09:52:46] [Server thread/WARN]: at net.minecraft.server.v1_14_R1.MinecraftServer.aW(MinecraftServer.java:892) [09:52:46] [Server thread/WARN]: at net.minecraft.server.v1_14_R1.MinecraftServer.executeNext(MinecraftServer.java:885) [09:52:46] [Server thread/WARN]: at net.minecraft.server.v1_14_R1.IAsyncTaskHandler.awaitTasks(SourceFile:123) [09:52:46] [Server thread/WARN]: at net.minecraft.server.v1_14_R1.MinecraftServer.sleepForTick(MinecraftServer.java:869) [09:52:46] [Server thread/WARN]: at net.minecraft.server.v1_14_R1.MinecraftServer.run(MinecraftServer.java:802) [09:52:46] [Server thread/WARN]: at java.lang.Thread.run(Thread.java:748) [09:52:46] [Server thread/WARN]: Caused by: java.lang.ClassNotFoundException: net.minecraft.server.v1_14_R1.PathDestination [09:52:46] [Server thread/WARN]: at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:86) [09:52:46] [Server thread/WARN]: at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:81) [09:52:46] [Server thread/WARN]: at java.lang.ClassLoader.loadClass(ClassLoader.java:424) [09:52:46] [Server thread/WARN]: at java.lang.ClassLoader.loadClass(ClassLoader.java:357) [09:52:46] [Server thread/WARN]: ... 33 more Spigot version : 1.14 Mod version : from offical site,latest modification Tried to install another versions, but did not help anyway (