Integrate Gitlab + Youtrack

Hi
Have 2 questions:

1-I try to integrate Gitlab + Youtrack

follow this steps:

but Youtrack issue not show on Gitlab commit page, I expect Youtrack issue link show on Gitlab commit page as this user mention (screenshot) in below link:
https://youtrack-support.jetbrains.com/hc/en-us/community/posts/360006712020-GitLab-CI-as-YouTrack-Build-Server-Integration

E0g3rkp-k6Pn86MWsFJLHQ

Here is my configuration

2-How can I create Youtrack issue from Gitlab?

Any idea?
Thanks,