Oracle : Ошибка ORA-01208

"data file is an old version - not accessing current version"
*Cause: The checkpoint in the file header is less recent than in the
control file. If opening a database that is already open by another
instance, or if another instance just brought this file online,
the file accessed by this instance is probably a different version.
Otherwise, a backup of the file probably was restored
while the file was in use.
*Action: Make the correct file available to the database. Then, either open
the database, or execute ALTER SYSTEM CHECK DATAFILES.

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