https://gitlab.synchro.net/main/sbbs/-/issues/490#note_3059
Looks like it happens when a user hits the "page sysop" option at the login matrix, since no user is logged in, there's no user to display. I'd have maybe expected "Guest" but that's fine now I know what's causing it.
--- SBBSecho 3.20-Linux
* Origin: Vertrauen - [vert/cvs/bbs].synchro.net (1:103/705)