Express 400 Error: parser error, 44 of 48 bytes parsed

at IncomingForm.write (E:\jsworkspaces\swmf-game\node_modules\express\node_modules\connect\node_modules\formidable\lib\incoming_form.js:139:17)
at IncomingMessage. (E:\jsworkspaces\swmf-game\node_modules\express\node_modules\connect\node_modules\formidable\lib\incoming_form.js:87:12)
at IncomingMessage.EventEmitter.emit (events.js:96:17)
at IncomingMessage._emitData (http.js:359:10)
at HTTPParser.parserOnBody [as onBody] (http.js:123:21)
at Socket.socket.ondata (http.js:1786:22)
at TCP.onread (net.js:404:27)