Container backup files were moved from one Virtuozzo node registered in OBAS to another Virtuozzo node registered in OBAS. OBAS does not recognize them,
vzbackupsync utility does not help.
Such behavior was classified as the software issue PBAS-4049 and will be fixed in future OBAS releases.
Please consider watching Odin public sources for information about updates in our products:
Knowledge base, each product update comes with a corresponding KB article.
There is a workaround, since it requires complex manipulations with the database, it is recommended to contact Odin Technical Support for assistance.