SSH Key exchange (Kex error)

[Bhautik Radadiya <radadiyabhautik55@xxxxxxxxx>]

Hi,
Hope you all are well!
I am facing this (kex error : no match for method kex algos) issue in my
application while trying to connect to device.
I am using libssh 0.9.5.
I added this below line in my sshlib file but not working it.

ssh_option_set (my_session, SSH_OPTIO NS_KEY_EXCHANGE,
"diffie-hellman-group14-sha1");

Can you please help me with this? Or Can you please provide some guidance.
It will be great help.

Thanks
Bhautik