Just as “Coffeegate” was about to simmer down, “Game of Thrones” is serving up another hot screwup.

Fresh off the anachronistic appearance of a modern-day java cup in Episode 4, the final season of HBO’s hit fantasy drama’s latest editing mistake: Jaime Lannister (Nikolaj Coster-Waldau) appears to have miraculously grown back his severed hand in a promo image from Episode 5, “The Bells.”

True fans will recall that this legendary swordsman had to relearn the art of combat after his right hand was chopped off in Season 3.

What looks like a shot from Jaime’s final scene — in which he embraces Cersei (Lena Headey) as the Red Keep goes up in flames — seems to contradict episode history. (An HBO rep tells The Post that Jaime’s right hand did not appear on air but the photo making the rounds on social media was possibly distributed by the digital team: “it’s still being researched.”)

Still, eagle-eyed fans took to Twitter to do what they do best — pound out keyboard cries of outrage aimed at show-runners D.B. Weiss and David Benioff.

“Jaime’s hand magically healed in Episode 5,” one fan groused in a since-deleted tweet. “As if we needed any more proof D&D simply stopped caring about GoT a log [sic] time ago.”

The duo also took the heat last week after the Starbucks-like paper cup was accidentally left in a scene.

“The latte that appeared in the episode was a mistake. Daenerys had ordered an herbal tea,” HBO sarcastically conceded the morning after. The network confirmed to The Post that the cup was digitally edited out of the scene on the HBO Go app.