If an analyst uses the search box in NU Service to search on free text then the following error is returned:

“There has been an unexpected error. Click Continue to return to the previous page.
Could not find file” <file path is then named here>

The workarounds are:
Use the search box for searching on exact ticket references (if known)
Use the Search Queries in the left hand pane of the analyst dashboard.

Apologies for any inconvenience. We are investigating the underlying problem.