The full error is:
We are sorry, but something went wrong.
The system has encountered an error, please retry the action you were performing, if this doesn't resolve this issue for you, please raise a Support Case via an appropriate contact with the details of what you were doing and the reference below.
REF : xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
Please contact us via the Access Digital Assistant, referencing the title of this article.
Please include a screenshot of the error you receive and details of what you were trying to delete.