Board Thread:Support Requests - Getting Technical/@comment-32408500-20200123173947

Currently on the Lil Mosey wiki, I've been trying to create a 'song' infobox on it, but it's not working and is showing up as this:

Does anyone know what is happening and how to fix it? And is it only happening to this wiki, or is it happened/or has happened to other wikis too?

Thanks 