Download page Troubleshooting - Permissions.
Troubleshooting - Permissions
If after migration the App is not working properly (the tasks are marked as no access) you should verify app permissions.
All permission schemes used by Jira projects that the app is supposed to have access to:
Please note that permission management is different on Jira Clouds and Jira Server. Read more about permissions in Atlassian documentation and check our scope misconfiguration guide to modify them accordingly.