--- a/net/minecraft/server/commands/LootCommand.java
+++ b/net/minecraft/server/commands/LootCommand.java
@@ -392,11 +245,14 @@
     }
 
     private static int dropInWorld(CommandSourceStack source, Vec3 pos, List<ItemStack> items, LootCommand.Callback callback) throws CommandSyntaxException {
-        ServerLevel level = source.getLevel();
-        items.forEach(itemStack -> {
-            ItemEntity itemEntity = new ItemEntity(level, pos.x, pos.y, pos.z, itemStack.copy());
-            itemEntity.setDefaultPickUpDelay();
-            level.addFreshEntity(itemEntity);
+        ServerLevel worldserver = source.getLevel();
+
+        items.removeIf(ItemStack::isEmpty); // CraftBukkit - SPIGOT-6959 Remove empty items for avoid throw an error in new EntityItem
+        items.forEach((itemstack) -> {
+            ItemEntity entityitem = new ItemEntity(worldserver, pos.x, pos.y, pos.z, itemstack.copy());
+
+            entityitem.setDefaultPickUpDelay();
+            worldserver.addFreshEntity(entityitem);
         });
         callback.accept(items);
         return items.size();