If one of the nodes still have an intact database, yes. But it happens more often than you‘d think that two nodes that have a channel both screw up.

Thanks a lot for testing! I think I fixed this issue now, would you mind testing again? Thx!

Don't know how to recover a zombie Lightning Channel? Check out the new interactive guide for chantools: guggero.github.io/chantools/doc/command-generator.html