Create a Merge Request
You must be a project member to create a merge request from the Merge Request page. You can't create a merge request if the branch that you want to be reviewed has any merge restrictions set or is already under review in another merge request.
Here's how to create a merge request:
After the merge request has been created, you're assigned the Requester role and all reviewers are assigned the Reviewer role. Email notifications are sent to reviewers informing them that they've been added as reviewers.
Note:
If you see the "E-mail address of PersonIdent must not be null" error message when you create or update a merge request, make sure that your user email address has been verified. Access your profile, verify your user email address, and retry the merge request. See Configure Your Global Email Notifications to see how to access your user profile and configure these notifications.