Good morning, I have a problem wanting to bring up a move relearner or a tutor move, I just can't and this appears in the console.
[11:53:57] [Server thread/FATAL] [net.minecraft.server.MinecraftServer]: Error executing task
java.util.concurrent.ExecutionException: java.lang.NullPointerException
at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[?:1.8.0_252]
at java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[?:1.8.0_252]
at net.minecraft.util.Util.func_181617_a(SourceFile:47) [h.class:?]
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:924) [MinecraftServer.class:?]
at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:456) [nz.class:?]
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:861) [MinecraftServer.class:?]
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:733) [MinecraftServer.class:?]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_252]
Caused by: java.lang.NullPointerException
at net.minecraft.network.datasync.EntityDataManager.func_187225_a(EntityDataManager.java:151) ~[nb.class:?]
at com.pixelmonmod.pixelmon.entities.npcs.EntityNPC.getAIMode(EntityNPC.java:913) ~[EntityNPC.class:?]
at com.pixelmonmod.pixelmon.entities.npcs.NPCRelearner.func_70692_ba(NPCRelearner.java:227) ~[NPCRelearner.class:?]
at net.minecraft.entity.EntityLiving.<init>(EntityLiving.java:101) ~[vq.class:?]
at net.minecraft.entity.EntityCreature.<init>(EntityCreature.java:22) ~[vx.class:?]
at com.pixelmonmod.pixelmon.entities.npcs.EntityNPC.<init>(EntityNPC.java:117) ~[EntityNPC.class:?]
at com.pixelmonmod.pixelmon.entities.npcs.NPCRelearner.<init>(NPCRelearner.java:50) ~[NPCRelearner.class:?]
at com.pixelmonmod.pixelmon.comm.packetHandlers.npc.CreateNPCPacket$Handler.onSyncMessage(CreateNPCPacket.java:138) ~[CreateNPCPacket$Handler.class:?]
at com.pixelmonmod.pixelmon.comm.packetHandlers.npc.CreateNPCPacket$Handler.onSyncMessage(CreateNPCPacket.java:76) ~[CreateNPCPacket$Handler.class:?]
at com.pixelmonmod.pixelmon.api.comm.ISyncHandler.lambda$onMessage$0(ISyncHandler.java:17) ~[ISyncHandler.class:?]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_252]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_252]
at net.minecraft.util.Util.func_181617_a(SourceFile:46) ~[h.class:?]
... 5 more
[11:54:30] [Server thread/WARN] []: java.lang.NullPointerException
[11:54:30] [Server thread/WARN] []: at net.minecraft.network.datasync.EntityDataManager.func_187225_a(EntityDataManager.java:151)
[11:54:30] [Server thread/WARN] []: at com.pixelmonmod.pixelmon.entities.npcs.EntityNPC.getAIMode(EntityNPC.java:913)
[11:54:30] [Server thread/WARN] []: at com.pixelmonmod.pixelmon.entities.npcs.NPCRelearner.func_70692_ba(NPCRelearner.java:227)
[11:54:30] [Server thread/WARN] []: at net.minecraft.entity.EntityLiving.<init>(EntityLiving.java:101)
[11:54:30] [Server thread/WARN] []: at net.minecraft.entity.EntityCreature.<init>(EntityCreature.java:22)
[11:54:30] [Server thread/WARN] []: at com.pixelmonmod.pixelmon.entities.npcs.EntityNPC.<init>(EntityNPC.java:117)
[11:54:30] [Server thread/WARN] []: at com.pixelmonmod.pixelmon.entities.npcs.NPCRelearner.<init>(NPCRelearner.java:50)
[11:54:30] [Server thread/WARN] []: at com.pixelmonmod.pixelmon.config.PixelmonEntityList.createEntityByName(PixelmonEntityList.java:121)
[11:54:30] [Server thread/WARN] []: at com.pixelmonmod.pixelmon.api.spawning.archetypes.entities.npcs.SpawnActionNPC.createEntity(SpawnActionNPC.java:26)
[11:54:30] [Server thread/WARN] []: at com.pixelmonmod.pixelmon.api.spawning.archetypes.entities.npcs.SpawnActionNPC.createEntity(SpawnActionNPC.java:13)
[11:54:30] [Server thread/WARN] []: at com.pixelmonmod.pixelmon.api.spawning.SpawnAction.getOrCreateEntity(SpawnAction.java:52)
[11:54:30] [Server thread/WARN] []: at com.pixelmonmod.pixelmon.api.spawning.SpawnAction.doSpawn(SpawnAction.java:75)
[11:54:30] [Server thread/WARN] []: at com.pixelmonmod.pixelmon.api.spawning.archetypes.spawners.TickingSpawner.doPass(TickingSpawner.java:97)
[11:54:30] [Server thread/WARN] []: at com.pixelmonmod.pixelmon.api.spawning.SpawnerCoordinator.onTick(SpawnerCoordinator.java:50)
[11:54:30] [Server thread/WARN] []: at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_196_SpawnerCoordinator_onTick_ServerTickEvent.invoke(.dynamic)
[11:54:30] [Server thread/WARN] []: at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90)
[11:54:30] [Server thread/WARN] []: at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:190)
[11:54:30] [Server thread/WARN] []: at net.minecraftforge.fml.common.FMLCommonHandler.onPostServerTick(FMLCommonHandler.java:268)
[11:54:30] [Server thread/WARN] []: at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:908)
[11:54:30] [Server thread/WARN] []: at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:733)
[11:54:30] [Server thread/WARN] []: at java.lang.Thread.run(Thread.java:748)
I need help please