[deleted] If your site is in production, please disable DEBUG mode as this provides a great deal of often sensitive information publicly and should only be used for debugging purposes.
I'm still in the build-up phase, so that's why I left debug mode on.
In this phase you work as admin a lot, so disabling the debug mode doesn't solve anything, even the suggestion from luceos doesn't help in this case. Ok, it shows that I'm in debug mode, but then what? The problem of showing me an error page instead of a login page is still there 😁
I really agree with @luceos to create a notification in the backend! But because this is a mixed issue / solution discussion, it could sound a bit harsh from my side - which is not my intention at all folks!!