I had the same issue. Working with MacOS 13.4 beta seems to solve the problem without having to play with any workarounds.

@softraid-support You mean running DiskWarrior from a different volume (like a flash drive)?

@softraid-support Yeah it does say "The new directory cannot replace the original directory because the original directory was too severely dama...

@softraid-support So I tried running Disk Warrior, but the replace button is "greyed" out. Is there something I'm missing?

@softraid-support Thank you, I'll try that. And is there a version of Disk Warrior that needs to be purchased? From looking around it's only ava...

@softraid-support Oh okay, that makes sense. How would I go about the repair flow with Disk Warrior? I haven't used it before. Hopefully it's n...

Also, the GUI says all the 1TB disks (now showing up as "data and parity disk") have 21KB available, I remember them having much more available than t...