[WARNING: One or more repositories have missing repo_name entries:]

Hello and sorry for my way of posing the question. I have solved it, the problem was that I used the PORTDIR variable in make.conf.I followed the steps that say in this github and I have solved it.
https://github.com/funtoo/meta-repo

Thank you all

[WARNING: One or more repositories have missing repo_name entries:]

Hi,is there a way to fix this message? Sorry bad english.

WARNING: One or more repositories have missing repo_name entries:

    /usr/portage/profiles/repo_name

NOTE: Each repo_name entry should be a plain text file containing a
unique name for the repository on the first line.
SOLVED