Cause
This error occurs when a database file open operation determines that the file was last opened in update mode and has yet to be recovered; that is, the file may require the application of transaction journal records to recover it to a consistent state.
This error indicates an operational misadventure; for example, copying a file from an online updating backup into the database directory and attempting to reset the timestamp.
Action
Take care not to inadvertently try to use a database file copied from an online updating backup or copied from the database directory while the database was active.