Git Push Error: failed to push some refs to ‘[email protected]:

git push error: failed to push some refs to ‘[email protected]:

$ git push -u origin master
To [email protected]:xxx/xxx.git
 ! [rejected]        master -> master (fetch first)
error: failed to push some refs to '[email protected]:xxx/xxx.git'
hint: Updates were rejected because the remote contains work that you do
hint: not have locally. This is usually caused by another repository pushing
hint: to the same ref. You may want to first integrate the remote changes
hint: (e.g., 'git pull ...') before pushing again.
hint: See the 'Note about fast-forwards' in 'git push --help' for details.

Reason:
in GitHub remote warehouse README.md The file is not in the local warehouse.
solutions:

$ git pull --rebase origin master
$ git push -u origin master


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