When exporting the report from the Quality Supervisor → Reports section, the downloaded Excel file is empty and contains only the text “undefined” in cell A1. No report data is populated.

Steps to Reproduce:

1. Log in as a Quality Supervisor (credential - koushora).
2. Navigate to the Reports section.
3. Select and export the required report.
4. Open the downloaded Excel file.

Actual Result:

• Excel file contains only the word “undefined” in cell A1.

• No data is exported.

Expected Result:

• Excel file should contain complete report data in a structured format.

• No “undefined” values should appear.