Error - git add correct host key

git clone ssh://[email protected]/project_name/repository.git
Cloning into 'inventopy_src'...
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@       WARNING: POSSIBLE DNS SPOOFING DETECTED!          @
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The RSA host key for server_location has changed,
and the key for the corresponding IP address 46.101.128.148
is unknown. This could either mean that
DNS SPOOFING is happening or the IP address for the host
and its host key have changed at the same time.
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@    WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!     @
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IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!
Someone could be eavesdropping on you right now (man-in-the-middle attack)!
It is also possible that a host key has just been changed.
The fingerprint for the RSA key sent by the remote host is
0a:01:99:9c:e4:fe:6c:31:66:f1:80:7d:65:53:3b:f1.
Please contact your system administrator.
Add correct host key in file_path/.ssh/known_hosts to get rid of this message.
Offending RSA key in file_path/.ssh/known_hosts:13
RSA host key for server.gaddeagroup.com has changed and you have requested strict checking.
Host key verification failed.
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.