Can I display all of my contributions on a single account?

I have 2 different GitLab account; one is for work (let’s say and the other is private (let’s say Normally most of my contributions are displayed on my work account whereas I use and share my private GitLab account. As all of these contributions belonging to me, I am wondering if I can display or merge my contributions belonging to my work GitLab account on my private GitLab account? There are some settings as adding a second e-mail, but when I try it, gives an error e.g. e-mail already taken (as both of there e-mails are GitLab account). So, it that possible?