[ESS] ESS error on update

[Alex Branham]

>  Package updates from elpa: I run underwindows (8-10) and frequently
>  when I get a package update to ESS the package cannot start R. The
>  message that some part of the ESS/R complex cannot be found.

Can you please include the full error message?

> The insalled ESS package has no lisp sundirectory. when I revert to
> 11.17 with lisp folder this runs well.

Yes, the lisp subdirectory was "promoted" recently, so all the lisp
files should be under elpa/ess-*/ directly when you install from MELPA.