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matthewGTSmatthewGTS 

Data Integration Specialist - Fatal Error: ExternalObjectException

I am getting an exception on step 9 of the Data Integration Specialist superbadge. It reads:
We encountered an unexpected error. Try again later, or contact your administrator, who can verify the external data source settings and the external system's availability. Error received from the external system:

There is no other text, the error received seems to be an empty string.
Checking the challenge produces this in my debug logs:
Data Integration Specialist superbadge challenge 9 debug log

Who would be the administrator to contact for this?
SandhyaSandhya (Salesforce Developers) 
Hi,

Refer below link for similar discussion.

https://salesforce.stackexchange.com/questions/162542/data-integration-specialist-superbadge-stuck-on-part-9
 
Please mark it as solved if my reply was helpful. It will make it available for other as the proper solution.
 
Best Regards
Sandhya
 
matthewGTSmatthewGTS
Sandhya, unfortunately that does not solve this problem.  I don't think this has much to do with the configuration the badge is looking for, since I get this same error even while attempting to use a list view of the external object.
External object error when accessing list view in tab

I suspect something is wrong with the data source being hosted on heroku.  If this was a real scenario, we would probably know who we were connecting to, and could ask them directly (like how the error is instructing me to do so).  However, I have no clue who runs the heroku that trailhead uses, and this message is the farthest thing from helpful.