When opening a bug report on kagifeedback.org, any input errors get reported at the top of the form.

However, when the user is finished filling out the form, the top of the form is no longer in view:

In this situation, clicking the Submit bug report button causes the errors to be reported, but they are not visible. From the user's perspective, nothing is happening--the Submit bug report button seems to just be broken.
The form should take measures to ensure that the user can see the errors. Perhaps the form should auto-scroll back to the top and the Submit bug report button could visually change to indicate failure.