"We didn't break them," Yamato grumbles at Cisco. "You can't break a ... A sync issue is way more likely."

So much more likely.

He turns towards Barry a little, tilting his head. "There probably isn't anyone on the island who'd be able to help with this, but if we could find him, Gennai would know. He constructed our digivices, created the physical limiters for our Crests that we wear, he even created Gabumon and the others, and he would've been the one to task Elecmon and Centalmon with their roles," he says. "But Gennai seemed to vanish into thin air a little over a year ago, long before the Infection or the Reboot, and we've not seen him at all since we came here."