Luban 4.7 "Something went wrong. Please reload the app"

[Boxkite]

A more precise solution here:

Create Path in CNC processing no longer works

OK, I tried my suggestion above, and discovered it’s the file ‘machine.json’ in the ‘Roaming’ folder that has the problem. After discovering this I restored the whole thing from the recycle bin but replaced ‘machine.json’ with the file copied over from a new installation.