"Token request failed" error on GitLab Mattermost

Here last few lines in log, from last time I tried to get it to run.

[2016/01/07 21:46:11 EST] [EROR] Couldn't find team name=signup, err=We couldn't find the existing team

[2016/01/07 22:30:20 EST] [CRIT] Failed to ping db err:pq: the database system is starting up

[2016/01/07 22:40:02 EST] [EROR] /signup/gitlab/complete:AuthorizeOAuthUser code=500 rid=4rcgfc6ud3g9tccoi89ujc8cow uid= ip=mypersonalip Token request failed [details: Post https://mysite.com:8181/oauth/token: dial tcp serverip:8181: i/o timeout]

[2016/01/07 22:40:11 EST] [EROR] Couldn't find team name=signup, err=We couldn't find the existing team

[2016/01/07 22:52:07 EST] [EROR] /signup/gitlab/complete:AuthorizeOAuthUser code=500 rid=hphmah7bii8q3ex599z7awm7ie uid= ip=mypersonalip Token request failed [details: Post https://mysite.com:8181/oauth/token: dial tcp serverip:8181: i/o timeout]