Add another 10-20 years to the clock:
Fusion Breakthrough Hits Hurdles as Five Experiments Fail
Yep, always excuses, not results. Once again, if only there were a huge source of fusion that sends enormous quantities of energy towards Earth. If only.
Mmm, yeah, that's a setback. But if it wasn't a surprise, it shouldn't really affect the timeline as it would have been accounted for, right?
I can't see how that is a setback or changes the clock on anything. They are doing exactly what you'd expect researchers to do, test the parameters in other words what is required to have a successful ignition event.