At '%8' the copy of database '%1' on this server encountered an error that couldn't be automatically repaired. The error ...

At '%8' the copy of database '%1' on this server encountered an error that couldn't be automatically repaired. The error returned by Suspend-MailboxDatabaseCopy was "%7". For more specific information about the failure, consult the event log on the server for other "ExchangeStoreDb" events.