diff --git a/src/net/theprogrammersworld/herobrine/NPC/Entity/HumanNPC.java b/src/net/theprogrammersworld/herobrine/NPC/Entity/HumanNPC.java
index 4c42ab7..dbf6f6c 100644
--- a/src/net/theprogrammersworld/herobrine/NPC/Entity/HumanNPC.java
+++ b/src/net/theprogrammersworld/herobrine/NPC/Entity/HumanNPC.java
@@ -1,5 +1,6 @@
 package net.theprogrammersworld.herobrine.NPC.Entity;
 
+import net.minecraft.server.v1_15_R1.ChunkProviderServer;
 import net.minecraft.server.v1_15_R1.EntityPlayer;
 import net.minecraft.server.v1_15_R1.EnumHand;
 import net.minecraft.server.v1_15_R1.PacketPlayInArmAnimation;
@@ -33,7 +34,8 @@ public class HumanNPC {
 	}
 
 	public void ArmSwingAnimation() {
-		PlayerChunkMap playerChunkMap = ((WorldServer) this.entity.world).getChunkProvider().playerChunkMap;
+		ChunkProviderServer chunkProvider = ((WorldServer) this.entity.world).getChunkProvider();
+		PlayerChunkMap playerChunkMap = chunkProvider.playerChunkMap;
 		PlayerChunkMap.EntityTracker playerchunkmap_entitytracker = playerChunkMap.trackedEntities.get(this.entity.getId());
 		
 		if(playerchunkmap_entitytracker != null) {
diff --git a/src/net/theprogrammersworld/herobrine/NPC/NMS/BWorld.java b/src/net/theprogrammersworld/herobrine/NPC/NMS/BWorld.java
index 6eb1cc8..3362a82 100644
--- a/src/net/theprogrammersworld/herobrine/NPC/NMS/BWorld.java
+++ b/src/net/theprogrammersworld/herobrine/NPC/NMS/BWorld.java
@@ -3,6 +3,7 @@ package net.theprogrammersworld.herobrine.NPC.NMS;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
+import net.minecraft.server.v1_15_R1.ChunkProviderServer;
 import net.minecraft.server.v1_15_R1.PlayerChunkMap;
 import net.minecraft.server.v1_15_R1.WorldServer;
 
@@ -24,7 +25,8 @@ public class BWorld {
 	}
 
 	public PlayerChunkMap getPlayerManager() {
-		return wServer.getChunkProvider().playerChunkMap;
+		ChunkProviderServer chunkProvider = ((WorldServer) wServer).getChunkProvider();
+		return chunkProvider.playerChunkMap;
 	}
 
 	public CraftWorld getCraftWorld() {