preview environment doesn't render in the document in 2.4.0?

[fcanatay at gmail.com]

> hello,
> I've just updated from 2.3.7 to 2.4.0 and everything went smoothly but the
> preview environments I have in my files don't render anymore, I used to
> have TeX code in an ERT environment (for plots and graphs) and that ERT,
> inside a preview environment, would render that code inside the lyx file
> itself, but now it doesn't work anymore for the old files (any file that I
> created before 2.4.0 the preview environment doesn't work) the output still
> works as intended.
> 

Check if the remedy mentioned here works for you:
http://lists.lyx.org/pipermail/lyx-devel/2024-May/012197.html

In my case, installing suffix.sty (in bigfoot package) and cprotect.sty was needed.

Cheers,

Fatihcan Atay