Xporter breaks Anonymization process

Description

Xporter breaks anonymization in Jira

Pre-conditions

Get a user to perform anonymization

How to reproduce

1. Go to Administration > User management > Users.
2. Find the user you want to anonymize, and select ... > Anonymize user.

Doc: https://confluence.atlassian.com/adminjiraserver/anonymizing-users-992677655.html

Actual result/Attachments
The process never ends:

Logs:

UI:

Expected result

The process is ended and the user is anonymized.