Post-migration issues when issue security settings are set
If there are issue security settings set for issues on Jira Server, BigPicture will lose access to such issues after migrating company-managed and team-managed projects to Jira Cloud.
In such a situation, perform the following steps after migration.
For company-managed projects:
Open Jira Cloud.
Navigate to the Project settings > Issues > Issue security page.
For each issue security level that is defined, add the following project role: atlassian-addons-project-access
An App restore overwrites current app data and replaces it with the state saved in the dump. There is no possibility of merging two different states of the app: