It sounds like you might have the mods added to the wrong place, there have been a few reports in the forums about this. It might be worth checking this post Cannot find community folder and ensuring your community folder is where you think it is.
I’d check that first followed by checking that you can see them in the list showing installed files in the content manager found via the home screen.
I’d also remove anything other than the WT mods from the folder just in case there is some funkyness happening with other mods conflicting.