CherryPy error in SABnzb+ (QNAP Version)

Request Headers:
  Content-Length: 820920
  HOST: 192.168.1.10:8800
  CONNECTION: keep-alive
  Remote-Addr: 192.168.1.2
  ACCEPT: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
  USER-AGENT: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:50.0) Gecko/20100101 Firefox/50.0
  ACCEPT-LANGUAGE: en-US,en;q=0.5
  Content-Type: multipart/form-data; boundary=---------------------------176334159611997959402023274761
  ACCEPT-ENCODING: gzip, deflate
2016-12-03 13:57:38,324::ERROR::[_cplogging:219] [03/Dec/2016:13:57:38] HTTP
Traceback (most recent call last):
  File "/share/CACHEDEV1_DATA/.qpkg/SABnzbdplus/sabnzbd/cherrypy/_cprequest.py", line 663, in respond
    self.body.process()
  File "/share/CACHEDEV1_DATA/.qpkg/SABnzbdplus/sabnzbd/cherrypy/_cpreqbody.py", line 989, in process
    super(RequestBody, self).process()
  File "/share/CACHEDEV1_DATA/.qpkg/SABnzbdplus/sabnzbd/cherrypy/_cpreqbody.py", line 558, in process
    proc(self)
  File "/share/CACHEDEV1_DATA/.qpkg/SABnzbdplus/sabnzbd/cherrypy/_cpreqbody.py", line 223, in process_multipart_form_data
    process_multipart(entity)
  File "/share/CACHEDEV1_DATA/.qpkg/SABnzbdplus/sabnzbd/cherrypy/_cpreqbody.py", line 215, in process_multipart
    part.process()
  File "/share/CACHEDEV1_DATA/.qpkg/SABnzbdplus/sabnzbd/cherrypy/_cpreqbody.py", line 556, in process
    self.default_proc()
  File "/share/CACHEDEV1_DATA/.qpkg/SABnzbdplus/sabnzbd/cherrypy/_cpreqbody.py", line 715, in default_proc
    self.file = self.read_into_file()
  File "/share/CACHEDEV1_DATA/.qpkg/SABnzbdplus/sabnzbd/cherrypy/_cpreqbody.py", line 730, in read_into_file
    self.read_lines_to_boundary(fp_out=fp_out)
  File "/share/CACHEDEV1_DATA/.qpkg/SABnzbdplus/sabnzbd/cherrypy/_cpreqbody.py", line 669, in read_lines_to_boundary
    raise EOFError('Illegal end of multipart body.')
EOFError: Illegal end of multipart body.