It seems SP Page Builder does not load any content plugin, meaning that if you"re trying to load Dropfiles or any other Joomla extension that is using it, from any text block for example, it won't work. The pity is that it seems that there's no options to activate it.
We have detected that you came here from a website that distribute non official sources of our extensions. As we care about all our users, including hackers :) we want to warn you before you do something you will regret.
Is it worth it using nulled extensions? Well we don't think so, it’s a real problem for many reasons: