Push rejected: Push to origin/ma

#执行
git pull origin master –allow-unrelated-histories 

#执行
git push -u origin master -f

#出现这个错误
remote: GitLab: You are not allowed to push code to protected branches 
on this project.

1、主干master项目没有提交权限、修改提交账户为管理者   
2、修改GitLab 项目push权限 
路径：项目--Repository--Branches 

点击 Protected branches can be managed in project settings

点击 Protected Branches   Expand

点击 unprotect

重新添加 protect  选择管理者和开发者都可push