Harry Potter fans are obviously very excited about the first Fantastic Beasts: The Crimes of Grindelwald trailer, but they still have a very specific concern.

The trailer opens with three wizards, including Derek Riddell's Torquil Travers, apparating onto a bridge leading to Hogwarts. You'd think it'd be a small detail and just a cool visual to open a trailer with, yet some Harry Potter fans need answers and they're going to use capitals to get them.

"I've very excited but very distracted because YOU CAN'T APPARATE ANYWHERE IN THE HOGWARTS GROUNDS," one wrote, with another adding: "HOW ARE THEY APPARATING INSIDE HOGWARTS' GROUNDS??"

This content is imported from Twitter. You may be able to find the same content in another format, or you may be able to find more information, at their web site. HOW ARE THEY APPARATING INSIDE HOGWARTS' GROUNDS?? — Gui Landgraf (@GuiLandgraf) March 13, 2018

This content is imported from Twitter. You may be able to find the same content in another format, or you may be able to find more information, at their web site. Wait. Were there people Apparating on the Hogwarts grounds in that trailer? Cause according to "Hogwarts, A History" you can't Apparate or Disapparate on the grounds. #FantasticBeasts — Meagan (@CupcakeDivaFF) March 13, 2018

This content is imported from Twitter. You may be able to find the same content in another format, or you may be able to find more information, at their web site. Because clearly as Hermione mentioned for more than a thousand times in the book, you can't apparate and disapparate at Hogwarts! #FantasticBeasts — gelyn (@GelynVelecina) March 13, 2018

Now while it is an established rule in the books that Hogwarts is warded off against apparition, for all we know, the bridge might not be considered Hogwarts grounds and could explain why they decide to apparate there.

Also, in the movie version of Harry Potter and the Half-Blood Prince, Harry and Dumbledore apparate within Hogwarts and Dumbledore brushes it off as his privilege.

Warner Bros.

And for all we know, something bad might happen in Fantastic Beasts: The Crimes of Grindelwald that means apparition is banned within the grounds – maybe Grindelwald uses it to attack someone at Hogwarts, so they put the wards in place to stop it happening again.

Basically, we don't know it's a plot hole and we'll remain unconvinced it is until we actually see the whole movie because surely JK Rowling would have known Harry Potter fans will analyse EVERYTHING.

Fantastic Beasts: The Crimes of Grindelwald is released in cinemas on November 16.

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