On Monday, McDonald’s began promoting Completely happy Meals—usually focused to youngsters—to grownup prospects. And, just like the little one Completely happy Meals, the particular providing got here with a toy, as a part of a collaboration with Cactus Plant Flea Market, a streetwear model. The promotion runs till the tip of the month.

However whereas potential prospects have been excited concerning the particular promotion—and the restricted version toys—McDonald’s staff have been much less passionate about coping with a rush of consumers. “I can see the stress amongst my coworkers,” one worker informed Kotaku. 

Staff are venting on social media, like TikTok and Reddit. “Y’all please cease ordering these,” posted one worker on TikTok. One other worker wrote “they going loopy with the grownup completely satisfied meals,” over a video exhibiting the variety of Completely happy Meal orders.

“New Grownup Completely happy meals are killing me,” mentioned one submit on the McDonald’s staff subreddit. 

“We ran out of containers the primary day we had them, ran out of toys the second, and on the third day we needed to say the truck doesn’t come until tomorrow,” wrote one commenter elsewhere on the subreddit. “It’s been…not enjoyable.”

McDonald’s didn’t instantly reply to Fortune’s request for remark.

This isn’t the primary time a McDonald’s promotion has induced problem for the workers.

In 2017, McDonald’s revived its Szechuan dipping sauce for someday as a part of a advertising train with Grownup Swim present Rick and Morty. Determined followers swarmed eating places hoping to get a number of the restricted provide, resulting in lengthy traces, disruptive prospects, and even calls to legislation enforcement. The chaos was worsened by poor communication from McDonald’s as to which eating places have been participating within the promotion, that means prospects flocked to sauce-less eating places.

Buyer chaos occurred once more in 2021, when McDonald’s revived its Pokémon Completely happy Meals, full with collectible playing cards, to have fun the online game franchise’s twenty fifth anniversary. Sadly, the promotion occurred throughout a bubble in Pokémon buying and selling playing cards, by which playing cards might be flipped for a 350-times return.

Some eating places have been pressured to limit gross sales of the Pokémon Completely happy meals to cease scalpers from shopping for up all of the obtainable Completely happy Meals and flipping the included buying and selling playing cards on eBay. 

It’s not simply McDonald’s. Final yr, a tweet from a purported Starbucks worker went viral after they complained about prospects including too many modifiers to their drinks, resulting in many different baristas complaining concerning the stress of finishing equally complicated orders.

Join the Fortune Options e-mail listing so that you don’t miss our largest options, unique interviews, and investigations.