U.S. regulators are recalling nearly all Cybertrucks, the eighth recall of the Tesla vehicles since deliveries to customers began just over a year ago.

The recall could be another setback for the EV maker, whose stock has fallen amid rising competition and backlash against CEO Elon Musk. Tesla is recalling 46,096 Cybertruck vehicles in the U.S.—nearly all Cybertrucks made up to February—to fix an exterior panel that could detach while driving,