failed on message is utf8 encoded

[medcl]

buffer.js:414
return this.parent.utf8Slice(start, end);
^
Error: Must have start <= end
at Buffer.toString (buffer.js:414:26)
at [object Object]._onData (/usr/lib/nodejs/kafka/lib/Client.js:229:21)
at Socket.bound (/usr/lib/nodejs/kafka/node_modules/std/bind.js:47:17)
at Socket.emit (events.js:67:17)
at TCP.onread (net.js:367:14)