Maybe another victim in the "Space War"

https://www.space.com/41884-nasa-mars-rover-curiosity-sidelined-glitch.html

The mysterious issue, which cropped up Saturday night (Sept. 15), prevents the rover from beaming to Earth much of the science and engineering information stored in its memory, Curiosity project scientist Ashwin Vasavada, of NASA's Jet Propulsion Laboratory in Pasadena, California, wrote in an update today.

But Curiosity remains otherwise healthy, he said. For example, the rover can still relay real-time data about its status.