Developer Machine Setup for Mac. Can't create team or users

Summary

I followed the development setup installation for Mac. make test and make run executed successfully but I could not create team or users.

Steps to reproduce

Clone mattermost repo. Run make test and make run then try creating team or user.

Expected behavior

User and team gets created and I can login on the frontend.

Observed behavior

I get this output.

❯ go run mattermost.go -create_team -team_name="test_team" -email="test_team@example.com"
[2016/07/22 15:47:04 WAT] [EROR] Team.IsValid: model.team.is_valid.reserved.app_error, id=atdds9t9k7drxbibf1ntcwb34o

Nothing gets created and I can not login on the frontend.