Remote Defects are not being exported using the Document Generator

Description
Remote Defects are not being exported using the Document Generator.

Pre-conditions
Link two Jira instances via Application Link

How to reproduce

1. Create a defect in Instance A
2. Create a Test Execution in Instance B and add the remote defect of Instance A
3. Generate the document

Actual result/Attachments
The document is not generated

Expected result
Document correctly generated