Thread:DublynT/@comment-44870377-20200219042720/@comment-31135394-20200219163858

Ok, I snooped around a bit on your wiki, and found the category in question. Yup, it exists and appears to have been created correctly. Is this the only category you're having trouble with? Because, yeah, it looks like it's just glitching. You can add it manually like this (see image).