Template talk:TD

Hi, I'm trying to use this code (along with the one for "TranscriptH") in my wiki but every time I try to use it it doesn't work. Like it works when I use:

But it doesn't work if I use, say:

But what's annoying is the two work separately but not together. Any idea why this is? --TheBlackDemon1996 (talk) 20:11, August 26, 2019 (UTC)