Right now, we're just populating it with info like:
"Submission returned with ERROR status"
The responses / callbacks from TII contain information that can be beneficial for troubleshooting, for instance the error_code attribute in the following callback:
Populate the lasterror column with this information.
Bryan Holladay if there's a way to get a more user friendly description of the error messages perhaps through another API or such, call let me know