error in console
shubhabrata@shubhabrata-VirtualBox:~/Meteor/myapp$ mupx deploy
Meteor Up: Production Quality Meteor Deployments
Configuration file : mup.json Settings file : settings.json
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Meteor app path : /home/shubhabrata/Meteor/myapp Using buildOptions : {} buffer.js:80 throw new Error( ^
Error: If encoding is specified then the first argument must be a string at new Buffer (buffer.js:80:13) at Readable. (/usr/lib/node_modules/mupx/node_modules/archiver/lib/util/index.js:32:15) at emitNone (events.js:91:20) at Readable.emit (events.js:188:7) at endReadableNT (_stream_readable.js:975:12) at _combinedTickCallback (internal/process/next_tick.js:80:11) at process._tickCallback (internal/process/next_tick.js:104:9)