This may be caused by a directory being owned by root underneath the current directory. I.e. permissions issues. Terrible error message, though.
$ tla changes --diffsThis is pretty frustrating. I thought I could fix it with my .arch_inventory file:
precious ^supervisor$But it's still not working:
$ tla tree-lintI ended up changing the =tagging-method file. That worked. The .arch_inventory file works for files in the same directory only, I think.