Additional Git checkout

I want to checkout an additional git repo to my project add new SSH in porject and using there fingerprint to checkout code but its giving my error ERROR: Permission to xxxx/xxxx_secrets.git denied to deploy key
fatal: Could not read from remote repository.

Same is key is working on my laptop without any problem

debug1: Reading configuration data /home/circleci/.ssh/config

debug1: Reading configuration data /etc/ssh/ssh_config

debug1: /etc/ssh/ssh_config line 19: Applying options for *

debug1: Connecting to github.com [192.30.253.112] port 22.

debug1: Connection established.

debug1: key_load_public: No such file or directory

debug1: identity file /home/circleci/.ssh/id_rsa_6389bdc0b82fd5c10e8d5b7af8f45963 type -1

debug1: key_load_public: No such file or directory

debug1: identity file /home/circleci/.ssh/id_rsa_6389bdc0b82fd5c10e8d5b7af8f45963-cert type -1

debug1: Enabling compatibility mode for protocol 2.0

debug1: Local version string SSH-2.0-OpenSSH_7.4p1 Debian-10+deb9u6

debug1: Remote protocol version 2.0, remote software version babeld-93408c70

debug1: no match: babeld-93408c70

debug1: Authenticating to github.com:22 as ‘git’

debug1: SSH2_MSG_KEXINIT sent

debug1: SSH2_MSG_KEXINIT received

debug1: kex: algorithm: curve25519-sha256

debug1: kex: host key algorithm: rsa-sha2-512

debug1: kex: server->client cipher: chacha20-poly1305@openssh.com MAC: compression: none

debug1: kex: client->server cipher: chacha20-poly1305@openssh.com MAC: compression: none

debug1: expecting SSH2_MSG_KEX_ECDH_REPLY

debug1: Server host key: ssh-rsa SHA256:nThbg6kXUpJWGl7E1IGOCspRomTxdCARLviKw6E5SY8

debug1: Host ‘github.com’ is known and matches the RSA host key.

debug1: Found key in /home/circleci/.ssh/known_hosts:1

Warning: Permanently added the RSA host key for IP address ‘192.30.253.112’ to the list of known hosts.

debug1: rekey after 134217728 blocks

debug1: SSH2_MSG_NEWKEYS sent

debug1: expecting SSH2_MSG_NEWKEYS

debug1: SSH2_MSG_NEWKEYS received

debug1: rekey after 134217728 blocks

debug1: SSH2_MSG_EXT_INFO received

debug1: kex_input_ext_info: server-sig-algs=<ssh-ed25519,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,ssh-rsa,rsa-sha2-512,rsa-sha2-256,ssh-dss>

debug1: SSH2_MSG_SERVICE_ACCEPT received

debug1: Authentications that can continue: publickey

debug1: Next authentication method: publickey

debug1: Offering RSA public key:

debug1: Server accepts key: pkalg ssh-rsa blen 279

debug1: Authentication succeeded (publickey).

Authenticated to github.com ([192.30.253.112]:22).

debug1: channel 0: new [client-session]

debug1: Entering interactive session.

debug1: pledge: network

debug1: Sending environment.

debug1: Sending env LANG = C.UTF-8

debug1: Sending command: git-upload-pack ‘xxxxx/xxxxx_secrets.git’

debug1: client_input_channel_req: channel 0 rtype exit-status reply 0

ERROR: Permission to xxxxx/xxxxx_secrets.git denied to deploy key
debug1: channel 0: free: client-session, nchannels 1

debug1: fd 0 clearing O_NONBLOCK

debug1: fd 1 clearing O_NONBLOCK

Transferred: sent 2764, received 2204 bytes, in 0.0 seconds

Bytes per second: sent 62562.0, received 49886.7

debug1: Exit status 1

fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.
Exited with code 128

Hello @farooqhussain82,

It appears the key being utilized may not have sufficient permission. This may mean you are missing a deployment key or are accessing the incorrect key.

Can you confirm you have followed this guide? https://circleci.com/docs/2.0/add-ssh-key/