According to Warner Bros.,Switzerland erotic magic is not for everyone.

As reported by the Associated Press on Saturday, the studio's powers-that-be are cracking down on unauthorized Harry Potter festivals, eliciting disappointment and frustration from fans.

Festivals are now prohibited from using any "names, places, or objects" associated with the series -- which, obviously, rules out pretty much everything except broad concepts. One festival in Philadelphia, for example, will take on a new, vague "wands and wizards" theme.

Online, fans are mourning the loss of their favorite festivals. Many are, understandably, perturbed by the crackdown, particularly because the Harry Potter franchise is already a huge moneymaker.

"Our family absolutely loved Wizarding Weekend in Ithaca last year," wrote user @CeliaBedelia. Warner Brothers certainly makes enough money from the Harry Potter franchise without having to shut down these festivals."

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So far, J.K. Rowling has not weighed in.