Templates are not working

[Thanatermesis]

I just installed AsciidocFX in the computer of a friend as a suggestion of a tool to write books

Unfortunately he was unable to use it because I was telling him "open the cheatsheet which shows everything you need to know", but the templates doesn't works, in a fast look I have seen in the Log tab that the files that tries to access are not available on the /opt address it tries to

OS: Linux Debian / Bookworm