As a system, when exporting a huge amount of data the report generated is incomplete

Description
When exporting a huge amount of data from a Test Plan, the report generated is not complete. The first pages are missing in the generated report.

How to reproduce

1. Go to the Test Plan (>1000 Tests and few Test Executions)
2. Try to export the data

Actual result/Attachments
The report is generated, but the first pages with the Tests are missing in the report.

Expected result
The report should be generated containing all the pages.

Version

• Xray 6.2.1, Xray DC V6.4.2