How to solve no matching MAC found. Their offer: hmac-sha1,hmac-sha1-9

[NetDev]

Unable to ssh Cisco switch from FortiGate and encounter below error.
Unable to negotiate with 192.168.x.x: no matching MAC found. Their offer: hmac-sha1,hmac-sha1-96

Command used:
execute ssh 192.168.x.x
execute ssh admin@192.168.x.x
execute ssh admin@192.168.x.x 22

[MHM Cisco World]

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[NetDev]

Thanks for your feedback sir/maam. We'll further check with fortinet first. Seems the issue was due to recent firmware updates.
The issue only occur when trying to ssh thru fortigate cli, but via remote app. like putty, etc. has no error.