Right ear of AirPods Pro won’t charge

Hi I’ve been using my AirPods Pro for roughly 3 months now and all of a sudden the right one won’t charge. I connect the AirPods Pro to my iPhone and it shows that the right one has no battery and then the right one disconnects. I put it back in the case and it still doesn’t show that it’s charging. It can’t play any music or audio as it’s dead