Error in plugin 'gulp-concat'

[ysndmr]

Hi everyone, I have also this problem and i haven't got any idea about that how can i fix it. I tried alot but I could not find the solution.

Error in plugin 'gulp-concat' Message: Missing file option for gulp-concat

/home/virtualservers/gulptest/node_modules/decomment/node_modules/esprima/dist/esprima.js:3391 throw error; ^ Error: Line 1: Unexpected token ILLEGAL

Any ideas?

[rakeshshriwas]

Remove your node_module directory, and run npm install or yarn command.

[demurgos]

Which version of Node are you using?