If you have done inplace upgrade from 6.2, did you do crx2oak migration
of the repository ? If not, please follow
https://helpx.adobe.com/uk/experience-manager/6-4/sites/deploying/using/in-place-upgrade.html#content-repository-migrationPerforming
an In-Place Upgrade . As mentioned in the document, you need to run
first unpack, then run crx2oak and then start AEm with the quickstart
jar in /app folder.The repository can show wrong in the oak version of
blobs are incompatible with the new AEM vers...