[Photos by: Warner Bros.]

Yesterday, the first trailer for Fantastic Beasts: The Crimes Of Grindelwald was released, and fans have (mostly) been loving what they've seen so far.

Read more: The ‘Harry Potter’ prequel about Lord Voldemort’s origin is here—watch it now

However, some fans with a particularly keen eye seem to have spotted a Harry Potter plot hole in the trailer.

Think back to the beginning of the trailer: Fans are given a peek over Hogwarts, and soon after, we see several men apparate onto the grounds.

However, all HP fans should know that you can't apparate on school grounds, according to Hogwarts: A History... *says in Hermione voice*

Fans have been pretty vocal on what *could* be a plot hole:

So is it a plot hole? Or some kind of exception? We'll just have to wait for the full film to find out...

Fantastic Beasts: The Crimes Of Grindelwald is due out Nov. 16.

In the meantime, watch the trailer below.

QUIZ: Which Hogwarts house do you belong in based off your music taste?