The display of users and their rights has fallen off in the webmord. Where to dig?

Question

linux

Users are not displayed not when working with folders, not in the users section (stupidly empty). The firmware version is the latest at the moment. Users are local.

Browsers used different. The result is the same. The rights to folders furychat in full. But it is impossible to change through the webmord. where to dig? There is access via ssh

Answer 1

Alas, even Lenovo did not find an answer. They said to format the disk and everything will be tip-top again. =). Alas