There's an issue with the fuel line that feeds the Psyche asteroid probe's thrusters with xenon gas. But we needn't worry yet, NASA says.

Psyche spacecraft's sci-fi thrusters suffer glitch on way to metal-rich asteroid

Source: space
Source Link: https://www.space.com/space-exploration/asteroid-comet-missions/psyche-spacecrafts-sci-fi-thrusters-suffer-glitch-on-way-to-metal-rich-asteroid