Issue Summary

In some instances that have been migrated from Server to Cloud via JCMA, it is possible that non-existent issue types persist and these issue type IDs are returned in Rest API responses.

Steps to Reproduce

• Migrate the instance from server to cloud via JCMA
• Validate if non-existent issue types are returned in the below API endpoint responses:
  a) GET /rest/api/3/field/customfield_<id>/context/issuetypemapping
  b) GET /rest/api/3/issuetypescreenscheme/mapping
  c) GET /rest/api/3/fieldconfigurationscheme/mapping

Expected Results

The Rest API endpoint returns issue-type IDs that currently exist in the instance

Actual Results

Non-existent issue type IDs are returned in the above API responses

Workaround

Please contact Atlassian Support to assist in removing the non-existing issuetype entries.