I hit the same error. I suspect you’re using Node.js 12 and Gulp.js 3. That combination does not work: Gulp.js 3 is broken on Node.js 12 #2324
A previous workaround from Jan. does not work either: After update to Node.js 11.0.0 running Gulp.js exits with ‘ReferenceError: internalBinding is not defined’ #2246
Solution: Either upgrade to Gulp.js 4 or downgrade to an earlier version of Node.js.