events.js:141
throw er; // Unhandled 'error' event
^
TypeError: Cannot read property '1' of null
at module.exports (/home/julio/_git/button-projects/dillinger/node_modules/gulp-group-css-media-queries/node_modules/group-css-media-queries/index.js:37:14)
at DestroyableTransform._transform (/home/julio/_git/button-projects/dillinger/node_modules/gulp-group-css-media-queries/index.js:19:31)
at DestroyableTransform.Transform._read (/home/julio/_git/button-projects/dillinger/node_modules/gulp-group-css-media-queries/node_modules/through2/node_modules/readable-stream/lib/_stream_transform.js:172:10)
at DestroyableTransform.Transform._write (/home/julio/_git/button-projects/dillinger/node_modules/gulp-group-css-media-queries/node_modules/through2/node_modules/readable-stream/lib/_stream_transform.js:160:12)
at doWrite (/home/julio/_git/button-projects/dillinger/node_modules/gulp-group-css-media-queries/node_modules/through2/node_modules/readable-stream/lib/_stream_writable.js:326:12)
at writeOrBuffer (/home/julio/_git/button-projects/dillinger/node_modules/gulp-group-css-media-queries/node_modules/through2/node_modules/readable-stream/lib/_stream_writable.js:312:5)
at DestroyableTransform.Writable.write (/home/julio/_git/button-projects/dillinger/node_modules/gulp-group-css-media-queries/node_modules/through2/node_modules/readable-stream/lib/_stream_writable.js:239:11)
at DestroyableTransform.ondata (/home/julio/_git/button-projects/dillinger/node_modules/gulp-autoprefixer/node_modules/through2/node_modules/readable-stream/lib/_stream_readable.js:574:20)
at emitOne (events.js:77:13)
at DestroyableTransform.emit (events.js:169:7)
at readableAddChunk (/home/julio/_git/button-projects/dillinger/node_modules/gulp-autoprefixer/node_modules/through2/node_modules/readable-stream/lib/_stream_readable.js:198:16)
at DestroyableTransform.Readable.push (/home/julio/_git/button-projects/dillinger/node_modules/gulp-autoprefixer/node_modules/through2/node_modules/readable-stream/lib/_stream_readable.js:162:10)
at DestroyableTransform.Transform.push (/home/julio/_git/button-projects/dillinger/node_modules/gulp-autoprefixer/node_modules/through2/node_modules/readable-stream/lib/_stream_transform.js:133:32)
at afterTransform (/home/julio/_git/button-projects/dillinger/node_modules/gulp-autoprefixer/node_modules/through2/node_modules/readable-stream/lib/_stream_transform.js:81:12)
at Immediate.TransformState.afterTransform (/home/julio/_git/button-projects/dillinger/node_modules/gulp-autoprefixer/node_modules/through2/node_modules/readable-stream/lib/_stream_transform.js:59:12)
at Immediate.immediate._onImmediate (timers.js:431:18)
I'm getting error when trying to build
dillinger
: