Not connect SSH after FW update on Linux environment

My customer bought mangOH yellow with WP7702 with Octave.
Then, Customer download FW update package from below URL.

Customer update FW in Linux PC and succeed to update it correctly.
But customer cannot enter SSH mode after FW update.
Customer saw the attached error message. Please let us know how to avoid this error message.

does this help?

For linux:

Hi @takashi_shiina san,

Can you please run the following:

ssh-keygen -R '192.168.2.2' && ssh -oStrictHostKeyChecking=no -oHostKeyAlgorithms=+ssh-rsa root@192.168.2.2

Let me know if it solves your issue.

Thanks
Nicolas