How to fix this gulp error?

Question

gulp.js

at options.error (C:\Users\lenovo\myproject\node_modules\node-sass\lib\index.js:291:26)
Emitted 'error' event at:
    at DestroyableTransform.onerror (C:\Users\lenovo\myproject\node_modules\vinyl-fs\node_modules\readable-stream\lib\_stream_readable.js:558:12)
    at DestroyableTransform.emit (events.js:193:13)
    at onwriteError (C:\Users\lenovo\myproject\node_modules\through2\node_modules\readable-stream\lib\_stream_writable.js:449:12)
    at onwrite (C:\Users\lenovo\myproject\node_modules\through2\node_modules\readable-stream\lib\_stream_writable.js:470:11)
    at WritableState.onwrite (C:\Users\lenovo\myproject\node_modules\through2\node_modules\readable-stream\lib\_stream_writable.js:180:5)
    at DestroyableTransform.afterTransform (C:\Users\lenovo\myproject\node_modules\through2\node_modules\readable-stream\lib\_stream_transform.js:93:3)
    at errorM (C:\Users\lenovo\myproject\node_modules\gulp-sass\index.js:134:14)
    at Object.callback (C:\Users\lenovo\myproject\node_modules\gulp-sass\index.js:145:18)
    at options.error (C:\Users\lenovo\myproject\node_modules\node-sass\lib\index.js:294:32)