adaptavists.py -> get_users()
possibly just some limitations due to the version of adaptavists used.
I believe the API endpoint used will need to be updated to API 3.0 where users will need to specify atlassian ID and just verify it exists.
{"errorMessages":["The query parameter 'username' is not supported in GDPR strict mode."],"errors":{}}
found this on atlassian forumns:
https://community.atlassian.com/t5/Advanced-Roadmaps-questions/error-quot-The-query-parameter-username-is-not-supported-in-GDPR/qaq-p/1365942
and some official documentation here
https://developer.atlassian.com/cloud/jira/platform/deprecation-notice-user-privacy-api-migration-guide/