Gulp "scss" is not an internal or external command, operable program or batch file. WHY?

Question

Sass

Guys, save!
"scss" is a task that actually compiles scss to css. there are many tasks - only this one does not work.
The bottom line is that the same project works fine on one computer, and when I try to run it on another, it does not work out only this task. And only on this computer! Everything else works fine individually.
there are no errors
, all are correct
, nothing has changed, but it works on one computer, but not on the other.
node_modules reinstalled
cache cleared
ai nid help)