Error al subir archivo

Hi and welcome to the forum! Please note that this is an English-speaking forum, so you must speak in English or at least translate what you wrote. Since you didn’t do that, I’m gonna translate it for you:

The first change is unexpected, as you shouldn’t have been able to change that value on free hosting; anyway take note of the file size limits as well, which are these:

And consider uploading your video file on YouTube or any other video sharing website and embedding its player onto your website.