--- a/net/minecraft/server/commands/CommandLoot.java
+++ b/net/minecraft/server/commands/CommandLoot.java
@@ -237,6 +237,7 @@
     private static int dropInWorld(CommandListenerWrapper commandlistenerwrapper, Vec3D vec3d, List<ItemStack> list, CommandLoot.a commandloot_a) throws CommandSyntaxException {
         WorldServer worldserver = commandlistenerwrapper.getLevel();
 
+        list.removeIf(ItemStack::isEmpty); // CraftBukkit - SPIGOT-6959 Remove empty items for avoid throw an error in new EntityItem
         list.forEach((itemstack) -> {
             EntityItem entityitem = new EntityItem(worldserver, vec3d.x, vec3d.y, vec3d.z, itemstack.copy());