Interrapt G35

Description
When attempting to download Excel data for selected attendees an error message appears stating '500 Server Error'

Environment
OS Windows 11 Pro Version 24H2
Firefox 139.0.1 (64-Bit)
https://qainterrapt.brainster.xyz/attendees

Precondition
User must be logged in as admin

1. Log in to the system
2. Navigate to the 'Attendees' page
3. Select few attendees
4. Click on the 'Download' icon
5. Click on selected for the Excel option
6. Observe if the file is to be downloaded

Expected result
An Excel file for the selected attendees should be automatically downloaded

Actual result
An error message appears stating '500 Server Error'