As an atheist, I ask for prayers that the backup's good.
E: Your solidarity has worked. The backup is good and not too old. Note for myself and you - install your OS on a snapshotting filesystem so that live backups are possible.
50:50 unsolder and transplant all the chips onto a fresh nvme pcb or try to solder jumpers to the traces/pads to the chip long enough to get a data export.