"Your comment could not be submitted! Please check your network connection and try again."
I've been trying to leave a comment on GNOME/epiphany!155 (closed) for about 10 minutes now, reloading the page numerous times, closing and reopening my web browser, etc. Each time I get GitLab's red info bar with the warning:
"Your comment could not be submitted! Please check your network connection and try again."
This bug has been occurring on and off for a long time, but I've never gotten completely stuck before. Of course there's nothing wrong with my network connection. Each time, I see the following in Epiphany's web inspector:
[Error] Failed to load resource: the server responded with a status of 422 (Unprocessable Entity) (notes, line 0)
That's the server's response to this request:
https://gitlab.gnome.org/GNOME/epiphany/notes?target_id=9881&target_type=merge_request
So GitLab should investigate why it is returning a 422 error code in response to certain comments.
P.S. Of course it only affects one particular issue at a time. As you can see, I was able to report this one with no difficulty.