When using postman to send a submission, I am getting a 'Could not get any response'. Any ideas? I have my api key under authorization using the bearer token same as last year, just updated with the new key. 
This is what I am getting from postman, and the first couple of tries it worked and I was getting the same response I was getting from Swagger UI. 
Could not get any response
Why this might have happened:
The server couldn't send a response:
Ensure that the backend is working properly
Self-signed SSL certificates are being blocked:
Fix this by turning off 'SSL certificate verification' in Settings > General
Proxy configured incorrectly
Ensure that proxy is configured correctly in Settings > Proxy
Request timeout:
Change request timeout in Settings > General
We are using xml as we have not switched to json yet, but I have verified the command with 
this is where I have my second issue. When I execute a POST from here, I am getting a response. 
{
  "error": {
    "type": "UnauthorizedError",
    "message": "Current user cannot create this object"
  }
}Any insight would be appreciated.
Thanks, David Freye