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Upgrade to the latest version of Jira. See /wiki/spaces/DRAFTTIMESHEETSDC/pages/3734241336 Tempo version compatibility.
Install the highest Tempo version compatible with the installed Jira version. See /wiki/spaces/CLOUDNEWS/pages/268861831
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Atlassian recommends auditing your Server apps, including Tempo, and assessing your Server apps before using Jira Cloud Migration Assistant tool.
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Install and Configure Tempo on Your Cloud Site
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Connect to your destination Jira Cloud site
Choose your migration options:
Make sure that you select the Projects and the Tempo Apps they are associated with in order to be migrated together; otherwise, data will not be migrated correctly.
We recommend that you select the option to migrate all projects as well as all users and groups from the Jira directory.
Check for errors before you either save or run the migration
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