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update all Tempo products to the latest version
(be sure your Tempo and Jira versions are compatible)if it does not complete using the latest version, please contact Support
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If you are unable to update Tempo/Jira to compatible versions, you will need to perform the migration manually https://help.tempo.io/cloud/en/tempo-server-migration-guide/server-data-center-to-cloud-manual-migration-guide.html : Manual migration guide