Oracle : Ошибка ORA-01617

"cannot mount: %s is not a valid thread number"
*Cause: The INIT.ORA parameter "thread" is not between 1 and the
number of threads allowed by the control file.
*Action: Shut down the instance, change the INIT.ORA parameter and
startup, or resize the thread record and/or checkpoint progress
record sections of the control file.

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