Bullhorn Integration->Proper message should be display instead of error message if credentials are invalid

1] Access the tour details page using below URL:
https://10.0.2.120/api/app/TourListing/ListTours?requestFrom=wRnQ7Y%2fZWlCOXjmz9IS4jw%3d%3d&userName=%2bsj2KXYNrgm8O4Va%2bHPUTQ%3d%3d&password=T6NiPfpN8kLQSGDeUamNAw%3d%3d&corporationID=9587&entityType=Placement&entityID=3
2] In above URL mentioned any invalid value for password/userid/corporationID or entity ID.

Actual Result:
Below error message should is displaying:
Sorry, an error occurred while processing your request.
Expected Result:
Proper message should be display so that user can know about invalid credentials.
(Refer attached screenshot for more detials)