Sounds like there's a growing list of template issues. Unsure if mine is related but I can see the button and use the basic templates I saved from the website but whenever I try to save a new one it comes up with an error saying I have reached the maximum number of templates (it says 100 on the desktop version, 20 on the web version) even though I have nowhere near this many saved.
When I spoke to support they confirmed there is a known bug with Templates at the moment, apparently the max was 20 which seems WAY too low, and they are expanding the maximum number you can store to 100 which