json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)

ERPNext
6

@TinasheErasmus i have created a webhook from erpnext to google sheets, the data flows without a issue however its throws up the above error. The below is the common_site_config.json

{
 "auto_update": false,
 "background_workers": 1,
 "dns_multitenant": true,
 "file_watcher_port": 6787,
 "frappe_user": "username",
 "gunicorn_workers": 5,
 "live_reload": true,
 "maintenance_mode": 0,
 "pause_scheduler": 0,
 "rebase_on_pull": false,
 "redis_cache": "redis://localhost:13000",
 "redis_queue": "redis://localhost:11000",
 "redis_socketio": "redis://localhost:12000",
 "restart_supervisor_on_update": true,
 "restart_systemd_on_update": false,
 "root_password": "rootpassword",
 "serve_default_site": true,
 "shallow_clone": true,
 "socketio_port": 9000,
 "use_redis_auth": false,
 "webserver_port": 8000,
 "workers": {
  "default": {
   "timeout": 900
  },
  "short": {
   "timeout": 900
  }
 }
}