Interrapt G34

Environment
https://qainterrapt.brainster.xyz/login

Browsers :
Google Chrome Version : 131.0.6778.110
Microsoft Edge Version 131.0.2903.86 (Official build) (64-bit)
Safari iOS Version 18.2

Description
When attempting to export attendee details into Excel or CSV format, the download fails if specific attendees are selected.

Pre-conditions
At least two attendees must exist in the system.

Steps to reproduce
1. Log in to the system
2. Navigate to the "Attendees " page
3. Select specific attendees from the list.
4.Attempt to download the selected attendees using the export function.
4a. Click on " Selected " (Excel)
4b. Click on "Selected" (CSV)

Expected Result
The system should export only the selected attendee/attendees

Actual Result
The system is not exporting the file for selected attendees and gives message ("500|server error)"