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Connect to self-hosed gitlab issue (Unable to connect user to GitLab) #668

@DobriyDed

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@DobriyDed

Plugin
GitLab version: 1.12.1, 98168bc, built Mon, 09 Mar 2026 14:55:23 UTC with go1.25.0

GITLAB
v18.10.1 , CE , selfhosted
On remote host, behind NGINX

NGINX on same host
Mattermost - docker deployment "no NGINX" (-f docker-compose.yml -f docker-compose.without-nginx.yml)

After initial chat with bot and following all intructions i've got "Unable to connect user to GitLab"
1-st attemp is timeout due to not presing "authorize" button in gitlab for some time
2 and 3 are clicking on link in "Go [here]to connect your account."

In "application" tabs of Gitlab there is "3" in numbers of clients

Please help

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