this article clarify the F-35 carrier landing capabilities, and it says that the recent F-18 has similar landing capability.
As it looks like it is not an automated landing, rather than an asisted one, where the software make small corrections to keep on track the plane, and it decrease the required skill level of the pilot to land.
It means the next options, ranked by highest to lowest possibility:
1. issue with the software - effect is ban the F-35 from carriers until its fixed , however the same software used on the F-18 , so it could affect both type
2. Other problem with the aircraft, example engine trouble that would make impossible the landing with or without software asistance
3. Issue with the ship