4625 - Error. Boot partition switch failed

Hello, after upgrading my cambium 4625 device from 5.4.2 to 5.9.0, there was a power outage, the device upgraded itself to 5.9.0 but now I can neither go up to 5.9.xx nor downgrade.

During the update, it gives the error “Error. Boot partition switch failed.” What should I do?