Info: Ticket was updated and split. The logging part is now in ticket T180491
Motivation
When something goes wrong during the file import, users already see an error message, but they currently have no way of letting us know what happened. Therefore we need to show them a link to the extension talk page so the user can report the failure there.
Task
In the generic error message add a link to the extension talk page as shown in the mock
<TODO>