--- a/net/minecraft/server/commands/LootCommand.java
+++ b/net/minecraft/server/commands/LootCommand.java
@@ -248,8 +247,9 @@
     private static int dropInWorld(CommandSourceStack commandsourcestack, Vec3 vec3, List<ItemStack> list, LootCommand.Callback lootcommand_callback) throws CommandSyntaxException {
         ServerLevel serverlevel = commandsourcestack.getLevel();
 
-        list.forEach((itemstack) -> {
-            ItemEntity itementity = new ItemEntity(serverlevel, vec3.x, vec3.y, vec3.z, itemstack.copy());
+        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());
 
             itementity.setDefaultPickUpDelay();
             serverlevel.addFreshEntity(itementity);