An error occurred, while Xporter is trying to perform a bulk Export

As a user, if I try to download a template from bulk Export I'm getting an error.

A case of study:

1. Try to download a template which will take more than one hour.
2. Try to export, for example, 53 requirements and more than 800 tests.
3. The user will get an error attached to the issue.

Note:
The user is able to perform a Single Export and this error occurs only on bulk Export