gulpfile.js
function(err) {
    notify.onError({
        title:    "Error in " + err.plugin,
        message: err.message
    })(err);
    this.emit('end');
}
function(err) {
    notify.onError({
        title:    "Error in " + err.plugin,
        message: err.message
    })(err);
    this.emit('end');
}
function ( err ) { notify . onError ( { title : "Error in " + err . plugin , message : err . message } ) ( err ) ; this . emit ( 'end' ) ; }
Error Message
Error Message