Hello Coolas4k and tigertim2,
I'm sorry to hear you're experiencing this issue with your TiVo® box and I would like to welcome both of you to the community.
I would just like to confirm whether you still have the same error message today after a mains reboot?
We have had faults in the area causing this error message and you can check for any updates on our service status page here.
Looking forward to hearing from you both