ORA-30568: cannot drop log group - nonexistent log group

ORA-3056

ORA-30568: cannot drop log group - nonexistent log group
Cause: The specified in alter table drop log group is incorrect
or nonexistent.
Action: Reenter the statement using the correct log group name.

More details : Viste http://www.high-oracle.com/ora-3056/
More details : Viste http://www.high-oracle.com/ora-3056/
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