Error in -assesment

The authenticity of host ‘gitlab.crio.do (3.6.224.204)’ can’t be established.
ECDSA key fingerprint is SHA256:FrBgRdji+ozEiYvp9mws7pcBjX/oGWyZzs8v5WmJKtA.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added ‘gitlab.crio.do,3.6.224.204’ (ECDSA) to the list of known hosts.
Counting objects: 22, done.
Delta compression using up to 2 threads.
Compressing objects: 100% (19/19), done.
remote: fatal: pack exceeds maximum allowed size
remote:
remote: ========================================================================
remote:
remote: stdin send error: EOF
remote:
remote: ========================================================================
remote:
error: remote unpack failed: unpack-objects abnormal exit
error: failed to push some refs to ‘git@gitlab.crio.do:COHORT_ME_QBOX_ENROLL_CRIO_LAUNCH_2020/sanyukta296-ME_QBOX.git’

Hey @sandy look into this you will get this

I tried the command but it shows that no such file or directory exists. Where we have to write this?

The authenticity of host ‘gitlab.crio.do (3.6.224.204)’ can’t be established.
ECDSA key fingerprint is SHA256:FrBgRdji+ozEiYvp9mws7pcBjX/oGWyZzs8v5WmJKtA.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added ‘gitlab.crio.do,3.6.224.204’ (ECDSA) to the list of known hosts.
Connection closed by 3.6.224.204 port 22
fatal: Could not read from remote repository.

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

I even checked in background whether any large file exists or not using filezilla but failed.