GULP. Then it stopped working, in a certain folder with the project, does it work in others?

Question

gulp.js

Explain to the teapot what to do? Or direct where to look for the answer. gulp throws an error on startup

events.js:183
      throw er; // Unhandled 'error' event
      ^
Error
    at new JS_Parse_Error (eval at <anonymous> (C:\Users\DModUA\Desktop\tilberry\node_modules\uglify-js\tools\node.js:28:1), <anonymous>:1534:18)
    at js_error (eval at <anonymous> (C:\Users\DModUA\Desktop\tilberry\node_modules\uglify-js\tools\node.js:28:1), <anonymous>:1542:11)
    at croak (eval at <anonymous> (C:\Users\DModUA\Desktop\tilberry\node_modules\uglify-js\tools\node.js:28:1), <anonymous>:2089:9)
    at token_error (eval at <anonymous> (C:\Users\DModUA\Desktop\tilberry\node_modules\uglify-js\tools\node.js:28:1), <anonymous>:2097:9)
    at expect_token (eval at <anonymous> (C:\Users\DModUA\Desktop\tilberry\node_modules\uglify-js\tools\node.js:28:1), <anonymous>:2110:9)
    at expect (eval at <anonymous> (C:\Users\DModUA\Desktop\tilberry\node_modules\uglify-js\tools\node.js:28:1), <anonymous>:2113:36)
    at block_ (eval at <anonymous> (C:\Users\DModUA\Desktop\tilberry\node_modules\uglify-js\tools\node.js:28:1), <anonymous>:2425:9)
    at eval (eval at <anonymous> (C:\Users\DModUA\Desktop\tilberry\node_modules\uglify-js\tools\node.js:28:1), <anonymous>:2401:25)
    at function_ (eval at <anonymous> (C:\Users\DModUA\Desktop\tilberry\node_modules\uglify-js\tools\node.js:28:1), <anonymous>:2407:15)
    at expr_atom (eval at <anonymous> (C:\Users\DModUA\Desktop\tilberry\node_modules\uglify-js\tools\node.js:28:1), <anonymous>:2622:24)

Works in other folders. Once the same problem was, completely reinstalled everything earned. Time has passed and the error is repeated.

Answer 1

Maybe the version of uglify-js is some kind of left?

Answer 2

In some strange way, everything worked again.

Answer 3

but how did it work? the same problem appeared. reinstalls and restarts to no avail. also in the same folder