Problem accessing the Outline app

My YunoHost server

Hardware: Ryzen 5 VM, 80GB SSD, 8GB RAM
YunoHost version: 11.2.12
I have access to my server : SSH & Web Interface
Are you in a special context or did you perform some particular tweaking on your YunoHost instance ?: No
If yes, please explain: N/A
If your request is related to an app, specify its name and version: app v1.0~ynh1

Description of my issue

I installed the Outline app on my VM. I set it up so Outline had its own subdomain, and I put the Dex app as a /directory under my server’s admin URL. Example below:

Wiki: https://outline.my.site
Dex: https://admin.my.site/warp

After the panel reports that Outline is successfully installed, I tried to go to the URL, and it redirected me back to my YunoHost admin page. I logged in again, and it took me to the main dashboard. I tried clicking on the Outline box again, but it redirected me back to the main dashboard.

I do not have any logs, as I do not know how to go about collecting those.