Sonarr keeps stopping

Can someone please help. I start sonarr and soon after it stops. Does anyone know what the issue could be? I checked the logs and there was nothing new after it stopped. Thanx

Sonarr version (exact version):
Mono version (if Sonarr is not running on Windows):
OS:
Debug logs:
Description of issue:

Additional Information:

  • Information on the log files is here: https://github.com/Sonarr/Sonarr/wiki/Log-Files
  • Make sure debug logging is enabled in settings
  • Post the log file, not a line or two, or just the error from the Logs table
  • Post the full log to hastebin/pastebin/dropbox/google drive or something similar and link it here
  • Do not post them directly here.
  • Post in .txt not .doc, .rtf or some other formatted document

Sonarr version: 2.0.0.5322
Mono version: 5.20.1.19

not sure what OS is

debug logs: https://pastebin.com/a5mSZEei

issue: sonarr keeps stopping

not sure why but it seems to stay on for longer if i use putty on my laptop rather than an app onmy phone. its running at the minute but no doubt will go down again at somepoint