Keep getting "Invalid --outfile-format"

[masp007@hotmail.com]

hi i have the same problem

Start chunk...
HC error: Invalid --outfile-format value specified.
finished chunk
Client is up-to-date!
Getting of chunk failed: {'action': 'getChunk', 'response': 'ERROR', 'message': 'Agent is inactive'}

somebody can help me. I dont know how upgrade latest commit branch master.

thank you